Masahiko Umezawa, Wiki Ippo

Masahiko Umezawa (梅沢 正彦, Umezawa Masahiko) is a professional assistant manga artist and Ippo Makunouchi's best friend outside of the Kamogawa gym. After a day of school, Umezawa, along with his friends, Takemura and Matsuda catch up to fellow student, Ippo, and began insulting and beating him underneath a bridge. Trying to provoke a reaction from the submissive high-schooler, they are stopped by a jogging Mamoru Takamura, who scared them away by dodging their punches and stealing the buttons off

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