Du Gaji Man Namja

One day, when he came home, there were four legs on his bed. Normally, he would be shocked by this sight, but Seo-Hyun Lee found it intriguing. He was even more intrigued by the fact that the legs were his twin brother and his lover. This intrigue led Seo-Hyun Lee to think in a different direction. A lover with similar tastes, a brother who was just like his other half. Then, couldn't his brother also be in a relationship with his lover? This wrong idea led the relationship between the three people in a completely unexpected direction.

(Source: Bookcube, translated)