Shouhei Harada is a Meisei schoolmate known for his large, physically intimidating build and gruff outward demeanor. Beneath this rough exterior, he shows genuine concern for Tatsuya Uesugi's wellbeing, regularly offering sound advice on various matters which reveals his supportive nature.

He appears across multiple franchise installments: the TV series "Touch" (1985), the movies "Touch 2: Sayonara no Okurimono" (1986), "Touch: Sebangou no Nai Ace" (1986), "Touch 3: Kimi ga Toorisugita Ato ni - Don't Pass Me By" (1987), and the TV specials "Touch: Miss Lonely Yesterday - Are kara, Kimi wa..." (1998) and "Touch: Cross Road - Kaze no Yukue" (2001). In "Touch: Cross Road - Kaze no Yukue", he is listed as a supporting character.