diff --git a/lib/bcdice/game_system.rb b/lib/bcdice/game_system.rb
index a854d6138..205b6d28d 100644
--- a/lib/bcdice/game_system.rb
+++ b/lib/bcdice/game_system.rb
@@ -305,6 +305,7 @@
 require "bcdice/game_system/WitchQuest"
 require "bcdice/game_system/WorldOfDarkness"
 require "bcdice/game_system/WorldsEndFrontline"
+require "bcdice/game_system/WorldsEndFrontline_Korean"
 require "bcdice/game_system/YankeeMustDie"
 require "bcdice/game_system/YankeeYogSothoth"
 require "bcdice/game_system/YearZeroEngine"
diff --git a/lib/bcdice/game_system/WorldsEndFrontline_Korean.rb b/lib/bcdice/game_system/WorldsEndFrontline_Korean.rb
new file mode 100644
index 000000000..b932d47b5
--- /dev/null
+++ b/lib/bcdice/game_system/WorldsEndFrontline_Korean.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require 'bcdice/game_system/WorldsEndFrontline'
+
+module BCDice
+  module GameSystem
+    class WorldsEndFrontline_Korean < WorldsEndFrontline
+      # ゲームシステムの識別子
+      ID = 'WorldsEndFrontline:Korean'
+
+      # ゲームシステム名
+      NAME = '월드 엔드 프론트라인'
+
+      # ゲームシステム名の読みがな
+      SORT_KEY = '国際化:Korean:월드 엔드 프론트라인'
+
+      register_prefix_from_super_class()
+
+      def initialize(command)
+        super(command)
+
+        @locale = :ko_kr
+      end
+    end
+  end
+end
diff --git a/test/data/WorldsEndFrontline_Korean.toml b/test/data/WorldsEndFrontline_Korean.toml
new file mode 100644
index 000000000..ff8604457
--- /dev/null
+++ b/test/data/WorldsEndFrontline_Korean.toml
@@ -0,0 +1,110 @@
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "4DC"
+output = "(4DC) ＞ [1,2,3,4] ＞ 4"
+rands = [
+  { sides = 6, value = 1 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 3 },
+  { sides = 6, value = 4 },
+]
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "3DC"
+output = "(3DC) ＞ [3,4,5] ＞ 5"
+rands = [
+  { sides = 6, value = 3 },
+  { sides = 6, value = 4 },
+  { sides = 6, value = 5 },
+]
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "4DC"
+output = "(4DC) ＞ [1,2,2,4] ＞ 《트라이엄프》(*2) ＞ 4*2 ＞ 8"
+critical = true
+rands = [
+  { sides = 6, value = 1 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 4 },
+]
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "5DC"
+output = "(5DC) ＞ [2,2,5,5,5] ＞ 《트라이엄프》(*3) ＞ 5*3 ＞ 15"
+critical = true
+rands = [
+  { sides = 6, value = 2 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 5 },
+  { sides = 6, value = 5 },
+  { sides = 6, value = 5 },
+]
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "4DC+1"
+output = "(4DC+1) ＞ [1,2,3,4]+1 ＞ 4+1 ＞ 5"
+rands = [
+  { sides = 6, value = 1 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 3 },
+  { sides = 6, value = 4 },
+]
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "4DC+1+2"
+output = "(4DC+3) ＞ [1,2,3,4]+3 ＞ 4+3 ＞ 7"
+rands = [
+  { sides = 6, value = 1 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 3 },
+  { sides = 6, value = 4 },
+]
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "5DC+1"
+output = "(5DC+1) ＞ [2,2,5,5,5]+1 ＞ 《트라이엄프》(*3) ＞ 5*3+1 ＞ 16"
+critical = true
+rands = [
+  { sides = 6, value = 2 },
+  { sides = 6, value = 5 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 5 },
+  { sides = 6, value = 5 },
+]
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "10DC"
+output = "(10DC) ＞ [1,1,2,2,3,3,4,4,5,6] ＞ 《트라이엄프》(*2) ＞ 6*2 ＞ 12"
+critical = true
+rands = [
+  { sides = 6, value = 1 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 3 },
+  { sides = 6, value = 4 },
+  { sides = 6, value = 5 },
+  { sides = 6, value = 6 },
+  { sides = 6, value = 1 },
+  { sides = 6, value = 2 },
+  { sides = 6, value = 3 },
+  { sides = 6, value = 4 },
+]
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "DC"
+output = ""
+rands = []
+
+[[ test ]]
+game_system = "WorldsEndFrontline:Korean"
+input = "DC+1"
+output = ""
+rands = []