Masamune-kun's Revenge #1

This opening volume of the romantic comedy manga series introduces Masamune Makabe, a high school student who has meticulously transformed himself from a chubby child into a handsome, popular boy. His sole motivation is to exact revenge on Aki Adagaki, the wealthy and arrogant girl who cruelly rejected and humiliated him years ago, by making her fall in love with him and then breaking her heart. The collection adapts the early chapters of the story, setting up the central premise and the key characters in this comedic tale of calculated romance and payback.