His Favorite Vol. 10 (manga)

Awkward Yoshida’s life got flipped upside down when the hottest guy in school started going out with him. Things should be easier for Yoshida now that his whole class knows about his relationship, but it's never that simple with Sato as a boyfriend. As Yoshida’s class prepares for the school cultural festival, a person from Sato’s past makes a surprise appearance. Is this Yoshida’s chance to uncover some of Sato’s secrets?