Stuck in My Sister's Dating Sim

All I wanted to do was save my sister's game, but how did I end up part of it? I got transported into my younger sister's silly 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, useless villain who meets an early demise. His new plan is to lead a peaceful life while he figures out a way back to his world. But somehow, things aren't going according to plan. Can Jinsoo find his way back from his sister's dating simulation game? Pre-serialization Original Webtoon: KakaoPage, Daum Official Translations: English (Pocket Comics, Tappytoon), French, Japanese