Damn It, Force Me to Be a Villain and Not Make Me Go Crazy

Ian, who focused on playing bad games, was inexplicably transported into the game and was told that if he messed up, he would explode on the spot. So after countless backtrackings, he finally beat the Demon King to a bloody pulp and taught other brave men how to beat him. But what's going on? They didn't cooperate! ? "You useless trash!!" However, there is something strange about this reincarnation. For some reason, the other female heroes are obsessed with him, as if they too have experienced flashbacks.