diff --git a/app/controllers/api/v1/search_controller.rb b/app/controllers/api/v1/search_controller.rb
index 687aab8..f371f08 100644
--- a/app/controllers/api/v1/search_controller.rb
+++ b/app/controllers/api/v1/search_controller.rb
@@ -1,7 +1,13 @@
 class Api::V1::SearchController < Api::V1::ApiController
     def characters
         if params[:query].present?
-            @characters = Character.search(params[:query]).limit(10)
+            excludes = params[:excludes] ? 
+                params[:excludes].split(',').map { |e| "%#{e.gsub(/\([^()]*\)/, '').strip}%" } : ''
+            
+            ap excludes
+            
+            @characters = Character.where("name_en ILIKE ? AND name_en NOT ILIKE ALL(ARRAY[?])", "%#{params[:query]}%", excludes).limit(10)
+            # @characters = Character.search(query).limit(10)
         else
             @characters = Character.all
         end
@@ -17,6 +23,7 @@ class Api::V1::SearchController < Api::V1::ApiController
 
     def summons
         if params[:query].present?
+            excludes = params[:excludes] ? params[:excludes].split(',').each { |e| "!#{e}" }.join(' ') : ''
             @summons = Summon.search(params[:query]).limit(10)
         else
             @summons = Summon.all
diff --git a/app/models/character.rb b/app/models/character.rb
index 2ea4f37..7cbd750 100644
--- a/app/models/character.rb
+++ b/app/models/character.rb
@@ -5,6 +5,7 @@ class Character < ApplicationRecord
         against: [:name_en, :name_jp],
         using: {
             tsearch: {
+                negation: true,
                 prefix: true
             }
         }