Masamune-kun's Revenge is a manga series that received an anime adaptation in 2017.
Makabe Masamune was a chubby boy who was harshly rejected by the beautiful Adagaki Aki. Eight years later, he returns as a handsome teenager after getting into shape and changing his name in order to exact his revenge by making her fall in love with him so that he can reject her as harshly as she had did.
Masamune is briefly seen at the beach.
Episode 1 Edit
Masamune admires himself in the mirror after taking a shower.
Episode 3 EditTae daydreams about Masamune and Kojuro, while Masamune is seen working out twice.
Episode 7 Edit
Masamune and friends visit the beach.
Episode 8 Edit
Masamune is working out when he receives a call from Aki.
Episode 10 Edit
Masamune is seen working out outside.
Episode 11 Edit
Masamune tries to prove that he isn't sick.