Wait, wait.Sei knew that the uke and the stalker were "friends", so he (Sei) called uke's brother to make the stalker fall in love with the brother??????
Ehatttttt.... I was just gonna ask who Kaoru was... So he was Konnos onii-san. Makes sense, lol thanks
Wait, wait.
Sei knew that the uke and the stalker were "friends", so he (Sei) called uke's brother to make the stalker fall in love with the brother??????