Amen's manga / #BL Isekai(13)

Lee Min-joon, an ordinary office worker, becomes the first reviewer of a friend's mobile gacha game. He closes his eyes to the boring opening and reopens them in the game world. You have to take charge of the mechanics of directing and controlling the heroes. Suddenly, the first hero is summoned at the beginning of the tutorial, and Min-joon is delighted with the handsome hero who looks quite strong, but it turns out that he is a low-level character with no memories or proper weapons

All I wanted to do was save my sister’s game, but how did I get dragged into it? I got transmigrated into my younger sister’s stupid dating simulation game! Jinsoo Lee has played this game before and knows enough about it… to realize he’s been transmigrated as a trouble-making, good-for-nothing villain who dies way too soon. His new plan is to lead a quiet life while he figures out a way back to his world. But somehow, this isn’t going the way he planned. Can Jinsoo find his way back from his sister’s dating simulation game?