Miki Nakayama - Noritaka the king of trouble 破壊王ノリタカ

"Noritaka" tells the story of a high school student who, in the opening pages, is scrawny, unattractive, and in love with a girl from his class — the judo practitioner Miki Nakayama. When she tells him she hates weak boys, he decides, driven by the desire to change and impress her (with his courage and strength), to learn martial arts. That’s when he meets Koretoshi Maruyama, who teaches him Muay Thai. From there, he dives into a world where every fight introduces him to an opponent stronger than the last.