|Manga Debut||Chapter 1|
|Anime Debut||Episode 1|
|Japanese voice||Showtaro Morikubo|
Sera is blond and has purplish eyes. He is also usually seen wearing a red dress shirt under his uniform. In episode 1, he is seen to be very fashionable. He has a roundish body.
Sera keeps up with fashion and has a cute, silly attitude. He is a plus-size male model and is very into fashion. Sera longs for the attention that Sakamoto gets from his classmates. He has a good heart and is willing to sacrifice anything (even his dignity) to those he cares about.
A male student who is in the same class as Sakamoto. He dislikes Sakamoto for always stealing his attention. Sera was a teenage model until an incident involving Sakamoto and a wasp, and now is a class clown who makes bee jokes.