Lee Min Joon, an ordinary office worker, became the first reviewer of his friend's mobile gacha game. Min Joon closed his eyes while the opening video was playing and when he opened his eyes again, he was already in the game world! A gacha game where you can control and direct the hero you are calling! Min Joon is happy because his first hero looks handsome and quite strong, but it turns out that the hero he can lose his memory and is a little star hero..?