Into the F*mdom, also known as 펨돔물 속으로, follows Lee Yeon, Korea’s top Hunter, who mysteriously transforms into a shota and gains strange abilities. The story revolves around a peculiar app that opens gateways to parallel worlds, offering a mix of fantasy, harem, and mature themes. With tags like Appearance Different from Actual Age, the web novel explores modern-day scenarios and the concept of parallel universes, all originally written in Korean.