Nariyuki Koshimizu
越水 成雪
About
Koshimizu Nariyuki is a student at Oosugi High School and a member of the tennis club at the school. He enjoys competing with Eiichirou Maruo at exam scores and tennis, although he loses at all of them. (Source: Baby Steps Wiki)
Voice Actors
Shimozuma, Yoshiyuki
Japanese