diff --git a/public/src/js/controller.js b/public/src/js/controller.js
index cb20acd..3ac679e 100644
--- a/public/src/js/controller.js
+++ b/public/src/js/controller.js
@@ -60,6 +60,7 @@ class Controller{
 		this.view = new View(this)
 		this.mekadon = new Mekadon(this, this.game)
 		this.keyboard = new GameInput(this)
+		this.TaikoForceLv5 = this.keyboard.keyboard.TaikoForceLv5 && !autoPlayEnabled && (this.multiplayer !== 2);
 		
 		this.drumSounds = settings.getItem("latency").drumSounds
 		this.playedSounds = {}
diff --git a/public/src/js/game.js b/public/src/js/game.js
index bb790ba..e58b238 100644
--- a/public/src/js/game.js
+++ b/public/src/js/game.js
@@ -330,8 +330,10 @@ class Game{
 			}
 			var score = 0
 			if(keysDon && typeDon || keysKa && typeKa){
-				if(typeDai && !keyDai){
-					if(!circle.daiFailed){
+				if (typeDai && !keyDai) {
+					if (this.controller.TaikoForceLv5) { // Taiko Force Lv5 can't hit both Dons at the same time, so dai offered
+						keyDai = true;
+					} else if(!circle.daiFailed){
 						circle.daiFailed = ms
 						return false
 					}else if(ms < circle.daiFailed + this.rules.daiLeniency){
diff --git a/public/src/js/keyboard.js b/public/src/js/keyboard.js
index 949673b..4df67ea 100644
--- a/public/src/js/keyboard.js
+++ b/public/src/js/keyboard.js
@@ -14,12 +14,19 @@ class Keyboard{
 			"altgr": "altgraph"
 		}
 		this.btn = {}
+		this.TaikoForceLv5 = false;
 		this.update()
 		pageEvents.keyAdd(this, "all", "both", this.keyEvent.bind(this))
 		pageEvents.blurAdd(this, this.blurEvent.bind(this))
 	}
+	isTaikoForceLv5(kbdSettings) { // the key of Taiko Force Lv5's PC module looks like this
+		//console.log(kbdSettings);
+		return (kbdSettings.ka_l[0] === "f") && (kbdSettings.ka_r[0] === "e") && (kbdSettings.don_l[0] === "i") && (kbdSettings.don_r[0] === "j");
+	}
 	update(){
 		var kbdSettings = settings.getItem("keyboardSettings")
+		this.TaikoForceLv5 = this.isTaikoForceLv5(kbdSettings);
+		//console.log("Taiko Force Lv5", this.TaikoForceLv5);
 		var drumKeys = {}
 		for(var name in kbdSettings){
 			var keys = kbdSettings[name]