Ever read one of those webtoons where an obnoxious male protagonist transmigrates into his favorite game, uses his knowledge of the plot to become ridiculously overpowered, and somehow gathers a harem along the way? Now, imagine reincarnating into that story! That's what happens to Nahyeon, but unlike the freewheeling teenager of a hero, she has no interest in becoming the main character. After all, it's way easier to stick right at his side and benefit from his grand plan! Or so she thought...