Masamune-kun's Revenge

Rejected by the gorgeous Adagaki Aki for his weight, Makabe Masamune slims down, adopts a new persona, and reemerges as an attractive teenager. His goal is to make Aki fall for him, then reject her as harshly as she did him.

Masamune-kun's Revenge is a 2023 drama romance movie, starring Saori Hayami, Ayaka Ohashi, Natsuki Hanae. It holds an IMDb rating of 6.6/10 from 5,209 votes and runs 24m.