soon he wavering his feeling between his ex and manager. I mean for sure he feels guilty because of what he did behind his manager's back. He loves him but he can't stop his lust for his ex I mean he still have a thing/feelings for his ex thats why he can have a sex with him.
Finally the misunderstanding became clear to every one.
This manga is really good. The author is really worth of a praise. my eyes are swollen for crying . I can’t help because it bring tears to anyone who can read it.. One of my favorites,,really!!!