Yuusuke Takahashi  

, 高橋 勇介

A young person who attends middle school is friends with Hinatas and shares many interests with them. He comes from a family of milkmen and excels at playing baseball, aspiring to become a professional player. Yūsuke admires Rei, who became a shōgi pro in high school, and dreams of participating in the kōshien tournament by attending a high school on Shikoku.