The Irreplaceable Guy Friend

“One time probably won’t be enough.” “Hey… Mmph…” Moon Taegyeom, a member of the national swimming team. After overcoming his slump and making a spectacular comeback, he has one secret. The reason he finally managed to break his stagnant record was none other than Yoo Seohae, his best friend of twenty years. Because every time he slept with Seohae, his performance improved as if by magic. At first, it was only for the sake of his records. But then, every bastard who hovered around her started getting on his nerves. “Yoo Seohae’s breasts are mine, but there are too many bastards trying to get their hands on them.” …We’re still friends, right?