diff --git a/app/controllers/sellers/sessions_controller.rb b/app/controllers/sellers/sessions_controller.rb
new file mode 100644
index 00000000..a0dc7ae7
--- /dev/null
+++ b/app/controllers/sellers/sessions_controller.rb
@@ -0,0 +1,10 @@
+module Sellers
+  class SessionsController < BaseController
+    before_action :authenticate_user!
+
+    # = GET /sellers/user
+    def show
+      # = show.json.jbuilder
+    end
+  end
+end
diff --git a/app/models/adjustment_product_item.rb b/app/models/adjustment_product_item.rb
index 890fa099..32f41b12 100644
--- a/app/models/adjustment_product_item.rb
+++ b/app/models/adjustment_product_item.rb
@@ -13,11 +13,6 @@
 #  index_adjustment_product_items_on_adjustment_id    (adjustment_id)
 #  index_adjustment_product_items_on_product_item_id  (product_item_id)
 #
-# Foreign Keys
-#
-#  fk_rails_...  (adjustment_id => adjustments.id)
-#  fk_rails_...  (product_item_id => product_items.id)
-#
 class AdjustmentProductItem < ApplicationRecord
   belongs_to :adjustment
   belongs_to :product_item
diff --git a/app/models/barcode.rb b/app/models/barcode.rb
index 7ff6b7b5..e17a0098 100644
--- a/app/models/barcode.rb
+++ b/app/models/barcode.rb
@@ -14,11 +14,6 @@
 #  index_barcodes_on_cart_item_id  (cart_item_id)
 #  index_barcodes_on_product_id    (product_id)
 #
-# Foreign Keys
-#
-#  fk_rails_...  (cart_item_id => cart_items.id)
-#  fk_rails_...  (product_id => products.id)
-#
 class Barcode < ApplicationRecord
   belongs_to :product, dependent: :destroy
 
diff --git a/app/models/barcode_option.rb b/app/models/barcode_option.rb
index 3434b8f1..b7e93466 100644
--- a/app/models/barcode_option.rb
+++ b/app/models/barcode_option.rb
@@ -13,11 +13,6 @@
 #  index_barcode_options_on_barcode_id         (barcode_id)
 #  index_barcode_options_on_product_option_id  (product_option_id)
 #
-# Foreign Keys
-#
-#  fk_rails_...  (barcode_id => barcodes.id)
-#  fk_rails_...  (product_option_id => product_options.id)
-#
 class BarcodeOption < ApplicationRecord
   belongs_to :barcode, dependent: :destroy
   belongs_to :product_option, dependent: :destroy
diff --git a/app/models/cart_item.rb b/app/models/cart_item.rb
index f8ff1f4e..578e2509 100644
--- a/app/models/cart_item.rb
+++ b/app/models/cart_item.rb
@@ -54,6 +54,8 @@ class CartItem < ApplicationRecord
 
   has_one :order_info, through: :cart
 
+  has_one :item_sold_paper, class_name: 'Sellers::ItemSoldPaper', foreign_key: :item_id, dependent: :destroy
+
   scope :cancelled, -> { where(cancelled_tag: CartItemCancelledTag.all) }
   scope :not_cancelled, -> { where.not(cancelled_tag: CartItemCancelledTag.all) }
 
diff --git a/app/models/interest_tag.rb b/app/models/interest_tag.rb
index c59178c2..68500659 100644
--- a/app/models/interest_tag.rb
+++ b/app/models/interest_tag.rb
@@ -3,9 +3,19 @@
 # Table name: interest_tags
 #
 #  id         :bigint           not null, primary key
+#  created_by :string(255)
 #  name       :json
 #  created_at :datetime         not null
 #  updated_at :datetime         not null
+#  country_id :bigint
 #
-class InterestTag < ApplicationRecord
+# Indexes
+#
+#  index_interest_tags_on_country_id  (country_id)
+#
+# Foreign Keys
+#
+#  fk_rails_...  (country_id => countries.id)
+#
+class InterestTag < NationRecord
 end
diff --git a/app/models/order_info.rb b/app/models/order_info.rb
index 76b689c4..a10db260 100644
--- a/app/models/order_info.rb
+++ b/app/models/order_info.rb
@@ -34,6 +34,7 @@ class OrderInfo < NationRecord
   has_many :items, through: :cart
   has_many :product_options, through: :items, source: :product_option
   has_many :adjustments, class_name: 'Adjustment'
+  has_many :sellers_papers, through: :items, source: :item_sold_paper
 
   # ===============================================
   has_many :order_info_brands, class_name: 'OrderInfoBrand', dependent: :delete_all
@@ -43,6 +44,7 @@ class OrderInfo < NationRecord
   validates_presence_of :cart_id, :enc_id
   validates_uniqueness_of :cart_id, :enc_id
 
+
   delegate :order_status, to: :cart
   # alias_attribute :status, :order_status
   delegate :delivery_amount, to: :ship_info, allow_nil: true
@@ -53,6 +55,7 @@ class OrderInfo < NationRecord
   scope :sold, -> { includes(:cart).where(cart: Cart.where(order_status: Cart::SOLD_STATUSES)) }
   scope :eager_index, -> { includes(:payment, :ship_info) }
   scope :stage_in, ->(stage) { includes(:cart).where(cart: Cart.send((stage || :all).to_sym)) }
+  scope :sellers_order, -> { includes(:items).where(cart: Cart.where(items: CartItem.sold_by_seller)) }
 
   def self.gen_enc_id
     [
@@ -77,4 +80,8 @@ def first_product
   def quantity
     cart.items.sum(:barcode_count)
   end
+
+  def sellers_items
+    items.filter(&:item_sold_paper)
+  end
 end
diff --git a/app/models/sellers/item_sold_paper.rb b/app/models/sellers/item_sold_paper.rb
new file mode 100644
index 00000000..fc03aec8
--- /dev/null
+++ b/app/models/sellers/item_sold_paper.rb
@@ -0,0 +1,14 @@
+module Sellers
+  class ItemSoldPaper < ApplicationRecord
+    belongs_to :item, class_name: 'CartItem'
+    belongs_to :seller_info, class_name: 'Sellers::SellerInfo'
+
+    def paid?
+      paid
+    end
+
+    def pay!
+      update(paid: true, paid_at: DateTime.now)
+    end
+  end
+end
diff --git a/app/models/sellers/seller_info.rb b/app/models/sellers/seller_info.rb
index 108d424a..c2d1d53d 100644
--- a/app/models/sellers/seller_info.rb
+++ b/app/models/sellers/seller_info.rb
@@ -6,11 +6,14 @@
 #  cumulative_amount   :integer          default(0)
 #  cumulative_profit   :integer          default(0)
 #  present_profit      :integer          default(0)
+#  purpose             :text(65535)
+#  sns_name            :string(255)
 #  withdrawable_profit :integer          default(0)
 #  created_at          :datetime         not null
 #  updated_at          :datetime         not null
 #  grade_id            :bigint           not null
 #  seller_id           :bigint           not null
+#  sns_id              :string(255)
 #
 # Indexes
 #
@@ -27,6 +30,8 @@ class SellerInfo < ApplicationRecord
     belongs_to :seller
     has_one :store_info, class_name: 'Sellers::StoreInfo', dependent: :destroy
     has_one :account_info, class_name: 'Sellers::AccountInfo', dependent: :destroy
+    has_many :user_interest_tags, class_name: 'UserInterestTag', dependent: :destroy
+    has_many :interest_tags, through: :user_interest_tags
     belongs_to :grade, class_name: 'Sellers::Grade'
 
     has_many :permit_change_lists, class_name: 'Sellers::PermitChangeList', dependent: :destroy
@@ -34,12 +39,12 @@ class SellerInfo < ApplicationRecord
     has_one :permit_status, through: :permission, class_name: 'Sellers::PermitStatus'
 
     has_many :settlement_statements, class_name: 'Sellers::SettlementStatement', dependent: :destroy
-    has_many :order_sold_papers, class_name: 'Sellers::OrderSoldPaper', dependent: :destroy
+    has_many :item_sold_papers, class_name: 'Sellers::ItemSoldPaper', dependent: :destroy
+    has_many :items, through: :item_sold_papers
+    has_many :order_infos, -> { distinct }, class_name: 'OrderInfo', through: :items
 
-    has_many :order_infos, through: :order_sold_papers
-
-    scope :permitted, -> { where(permission: PermitChangeList.where(permit_status: PermitStatus.permitted)) }
-    scope :applied, -> { where(permission: PermitChangeList.where(permit_status: PermitStatus.applied)) }
+    scope :permitted, -> { where(permission: Sellers::PermitChangeList.where(permit_status: Sellers::PermitStatus.permitted)) }
+    scope :applied, -> { where(permission: Sellers::PermitChangeList.where(permit_status: Sellers::PermitStatus.applied)) }
 
     delegate :name, to: :seller
     delegate :email, to: :seller
@@ -48,43 +53,43 @@ class SellerInfo < ApplicationRecord
 
     def permitted?
       update_status_cache
-      permit_status == PermitStatus.permitted
+      permit_status == Sellers::PermitStatus.permitted
     end
 
     def play_permit!(reason = nil)
-      permit_change_lists << PermitChangeList.new(
-        permit_status: PermitStatus.permitted,
+      permit_change_lists << Sellers::PermitChangeList.new(
+        permit_status: Sellers::PermitStatus.permitted,
         reason: reason
       )
       update_status_cache
     end
 
     def play_stop!(reason)
-      permit_change_lists << PermitChangeList.new(
-        permit_status: PermitStatus.stopped,
+      permit_change_lists << Sellers::PermitChangeList.new(
+        permit_status: Sellers::PermitStatus.stopped,
         reason: reason
       )
       update_status_cache
     end
 
     def init_permit_status!
-      permit_change_lists << PermitChangeList.new(
-        permit_status: PermitStatus.applied
+      permit_change_lists << Sellers::PermitChangeList.new(
+        permit_status: Sellers::PermitStatus.applied
       )
       update_status_cache
     end
 
-    def update_counter_cache(order_sold_paper = nil)
-      if order_sold_paper.nil?
+    def update_counter_cache(item_sold_paper = nil)
+      if item_sold_paper.nil?
         update_columns(
-          cumulative_amount: order_infos.map(&:payment).sum(&:total_price_sum),
-          cumulative_profit: order_sold_papers.sum(&:adjusted_profit)
+          cumulative_amount: items.sum(&:captured_retail_price),
+          cumulative_profit: item_sold_papers.sum(&:adjusted_profit)
         )
       else
-        order_info = order_sold_paper.order_info
+        cart_item = item_sold_paper.cart_item
         update_columns(
-          cumulative_amount: cumulative_amount + order_info.payment.total_price_sum,
-          cumulative_profit: cumulative_profit + order_sold_paper.adjusted_profit
+          cumulative_amount: cumulative_amount + cart_item.captured_retail_price,
+          cumulative_profit: cumulative_profit + item_sold_paper.adjusted_profit
         )
       end
     end
diff --git a/app/models/user_interest_tag.rb b/app/models/user_interest_tag.rb
index 00b94ee5..8914af8b 100644
--- a/app/models/user_interest_tag.rb
+++ b/app/models/user_interest_tag.rb
@@ -19,4 +19,5 @@
 #  fk_rails_...  (user_id => users.id)
 #
 class UserInterestTag < ApplicationRecord
+  belongs_to :interest_tag
 end
diff --git a/app/views/sellers/sessions/show.json.jbuilder b/app/views/sellers/sessions/show.json.jbuilder
new file mode 100644
index 00000000..d02455b2
--- /dev/null
+++ b/app/views/sellers/sessions/show.json.jbuilder
@@ -0,0 +1 @@
+json.current_user current_user
diff --git a/config/initializers/cors.rb b/config/initializers/cors.rb
index ad0785ee..92132ec2 100644
--- a/config/initializers/cors.rb
+++ b/config/initializers/cors.rb
@@ -4,7 +4,8 @@
     resource(
       '*',
       headers: :any,
-      methods: %i[get post put patch delete options head]
+      methods: %i[get post put patch delete options head],
+      expose: %w[Authorization]
     )
   end
 end
diff --git a/config/routes.rb b/config/routes.rb
index e00701c6..21e6af63 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,18 +1,20 @@
 Rails.application.routes.draw do
-  devise_for :users, controllers: {
-    sessions: 'users/sessions',
-    registrations: 'users/registrations',
-    passwords: 'users/passwords'
-  }
-  
   # global file crud (active_storage)
   resources :files, only: %i[show create destroy]
-  
-  draw :partner_center_routes
-  draw :gomisa_routes
 
-  draw :common_routes
-  draw :sellers_routes
+  constraints format: :json do
+    devise_for :users, controllers: {
+        sessions: 'users/sessions',
+        registrations: 'users/registrations',
+        passwords: 'users/passwords'
+    }
+
+    draw :partner_center_routes
+    draw :gomisa_routes
+
+    draw :common_routes
+    draw :sellers_routes
+  end
 
   namespace :haravan do
     namespace :settlement do
diff --git a/config/routes/sellers_routes.rb b/config/routes/sellers_routes.rb
index d93f84c9..61991a2e 100644
--- a/config/routes/sellers_routes.rb
+++ b/config/routes/sellers_routes.rb
@@ -1,4 +1,7 @@
 namespace :sellers, except: %i[new edit] do
+  # get 'user', controller: 'users'
+  resource :user, only: :show, controller: :sessions
+
   # === 유저 API
   #
   resources :users do
diff --git a/db/data/20200730032746_set_item_sold_paper.rb b/db/data/20200730032746_set_item_sold_paper.rb
new file mode 100644
index 00000000..900925e0
--- /dev/null
+++ b/db/data/20200730032746_set_item_sold_paper.rb
@@ -0,0 +1,19 @@
+class SetItemSoldPaper < ActiveRecord::Migration[6.0]
+  def up
+    Sellers::OrderSoldPaper.all.each do |paper|
+      order = paper.order_info
+      seller_info = paper.seller_info
+      order.items.each do |item|
+        Sellers::ItemSoldPaper.create(
+          item: item,
+          seller_info: seller_info,
+          adjusted_profit: (item.result_price * item.option_count * seller_info.commission_rate)
+          )
+      end
+    end
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end
diff --git a/db/migrate/20200730032112_create_sellers_item_sold_papers.rb b/db/migrate/20200730032112_create_sellers_item_sold_papers.rb
new file mode 100644
index 00000000..acaa0954
--- /dev/null
+++ b/db/migrate/20200730032112_create_sellers_item_sold_papers.rb
@@ -0,0 +1,13 @@
+class CreateSellersItemSoldPapers < ActiveRecord::Migration[6.0]
+  def change
+    create_table :sellers_item_sold_papers do |t|
+      t.references :item, null: false, foreign_key: { to_table: :cart_items }
+      t.references :seller_info, null: false, foreign_key: { to_table: :sellers_seller_infos }
+      t.boolean :paid, default: false
+      t.datetime :paid_at
+      t.integer :adjusted_profit, default: 0
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20200730050325_remove_sellers_order_sold_paper.rb b/db/migrate/20200730050325_remove_sellers_order_sold_paper.rb
new file mode 100644
index 00000000..09f91550
--- /dev/null
+++ b/db/migrate/20200730050325_remove_sellers_order_sold_paper.rb
@@ -0,0 +1,5 @@
+class RemoveSellersOrderSoldPaper < ActiveRecord::Migration[6.0]
+  def change
+    drop_table :sellers_order_sold_papers
+  end
+end
diff --git a/db/migrate/interest_tag/20200803013753_add_country_to_interest_tag.rb b/db/migrate/interest_tag/20200803013753_add_country_to_interest_tag.rb
new file mode 100644
index 00000000..12d2df59
--- /dev/null
+++ b/db/migrate/interest_tag/20200803013753_add_country_to_interest_tag.rb
@@ -0,0 +1,5 @@
+class AddCountryToInterestTag < ActiveRecord::Migration[6.0]
+  def change
+    add_reference :interest_tags, :country, foreign_key: true
+  end
+end
diff --git a/db/migrate/interest_tag/20200803014024_add_classification_field_to_interest_tag.rb b/db/migrate/interest_tag/20200803014024_add_classification_field_to_interest_tag.rb
new file mode 100644
index 00000000..13cf438d
--- /dev/null
+++ b/db/migrate/interest_tag/20200803014024_add_classification_field_to_interest_tag.rb
@@ -0,0 +1,5 @@
+class AddClassificationFieldToInterestTag < ActiveRecord::Migration[6.0]
+  def change
+    add_column :interest_tags, :created_by, :string
+  end
+end
diff --git a/db/migrate/sellers/20200803014409_add_columns_to_seller_info.rb b/db/migrate/sellers/20200803014409_add_columns_to_seller_info.rb
new file mode 100644
index 00000000..94ebee20
--- /dev/null
+++ b/db/migrate/sellers/20200803014409_add_columns_to_seller_info.rb
@@ -0,0 +1,7 @@
+class AddColumnsToSellerInfo < ActiveRecord::Migration[6.0]
+  def change
+    add_column :sellers_seller_infos, :sns_name, :string
+    add_column :sellers_seller_infos, :sns_id, :string
+    add_column :sellers_seller_infos, :purpose, :text
+  end
+end
diff --git a/test/controllers/sellers/sessions_controller_test.rb b/test/controllers/sellers/sessions_controller_test.rb
new file mode 100644
index 00000000..9e21b3fc
--- /dev/null
+++ b/test/controllers/sellers/sessions_controller_test.rb
@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class Sellers::SessionsControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/fixtures/interest_tags.yml b/test/fixtures/interest_tags.yml
index 198cc887..99df6b67 100644
--- a/test/fixtures/interest_tags.yml
+++ b/test/fixtures/interest_tags.yml
@@ -3,9 +3,19 @@
 # Table name: interest_tags
 #
 #  id         :bigint           not null, primary key
+#  created_by :string(255)
 #  name       :json
 #  created_at :datetime         not null
 #  updated_at :datetime         not null
+#  country_id :bigint
+#
+# Indexes
+#
+#  index_interest_tags_on_country_id  (country_id)
+#
+# Foreign Keys
+#
+#  fk_rails_...  (country_id => countries.id)
 #
 
 one:
diff --git a/test/fixtures/sellers/item_sold_papers.yml b/test/fixtures/sellers/item_sold_papers.yml
new file mode 100644
index 00000000..a0141669
--- /dev/null
+++ b/test/fixtures/sellers/item_sold_papers.yml
@@ -0,0 +1,15 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  item_info: one
+  seller_info: one
+  paid: false
+  paid_at: 2020-07-30 12:21:13
+  adjusted_profit: 1
+
+two:
+  item_info: two
+  seller_info: two
+  paid: false
+  paid_at: 2020-07-30 12:21:13
+  adjusted_profit: 1
diff --git a/test/fixtures/sellers/seller_infos.yml b/test/fixtures/sellers/seller_infos.yml
index e680bd05..7caa19b7 100644
--- a/test/fixtures/sellers/seller_infos.yml
+++ b/test/fixtures/sellers/seller_infos.yml
@@ -6,11 +6,14 @@
 #  cumulative_amount   :integer          default(0)
 #  cumulative_profit   :integer          default(0)
 #  present_profit      :integer          default(0)
+#  purpose             :text(65535)
+#  sns_name            :string(255)
 #  withdrawable_profit :integer          default(0)
 #  created_at          :datetime         not null
 #  updated_at          :datetime         not null
 #  grade_id            :bigint           not null
 #  seller_id           :bigint           not null
+#  sns_id              :string(255)
 #
 # Indexes
 #
diff --git a/test/models/interest_tag_test.rb b/test/models/interest_tag_test.rb
index 561cec19..2eeffcd7 100644
--- a/test/models/interest_tag_test.rb
+++ b/test/models/interest_tag_test.rb
@@ -3,9 +3,19 @@
 # Table name: interest_tags
 #
 #  id         :bigint           not null, primary key
+#  created_by :string(255)
 #  name       :json
 #  created_at :datetime         not null
 #  updated_at :datetime         not null
+#  country_id :bigint
+#
+# Indexes
+#
+#  index_interest_tags_on_country_id  (country_id)
+#
+# Foreign Keys
+#
+#  fk_rails_...  (country_id => countries.id)
 #
 require 'test_helper'
 
diff --git a/test/models/sellers/item_sold_paper_test.rb b/test/models/sellers/item_sold_paper_test.rb
new file mode 100644
index 00000000..d07e0c92
--- /dev/null
+++ b/test/models/sellers/item_sold_paper_test.rb
@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class Sellers::ItemSoldPaperTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/models/sellers/seller_info_test.rb b/test/models/sellers/seller_info_test.rb
index b2d6abcf..c455f97a 100644
--- a/test/models/sellers/seller_info_test.rb
+++ b/test/models/sellers/seller_info_test.rb
@@ -6,11 +6,14 @@
 #  cumulative_amount   :integer          default(0)
 #  cumulative_profit   :integer          default(0)
 #  present_profit      :integer          default(0)
+#  purpose             :text(65535)
+#  sns_name            :string(255)
 #  withdrawable_profit :integer          default(0)
 #  created_at          :datetime         not null
 #  updated_at          :datetime         not null
 #  grade_id            :bigint           not null
 #  seller_id           :bigint           not null
+#  sns_id              :string(255)
 #
 # Indexes
 #