Masamune-kun's Revenge (2017)

S1E1 The Boy Who Was Called Pig's Foot

As a child, Makabe Masamune was an overweight kid who faced ridicule, particularly from a girl who nicknamed him Pig's Foot. Determined to change his fate, he dedicated himself to intense training and transformed into a handsome young man. His plan is to seek revenge on the girl who once bullied him by charming her into falling for him, only to ultimately reject her once he has her heart.