Itazurakko no Seifukuron

いたずらっこの征服論 / 恶作剧王子的征服论 / 惡作劇王子的征服論 / 장난꾸러기의 정복론 From Exiled Rebels Scans:

Ayase Michiya is a playboy who always has a new girl on hand, but the one whose attention he craves the most is unexpectedly his best friend, Satori Kouta. Trying to stay cool about it, he sets up Kouta with a girl, but things don’t go as expected...