Yoshiharu appears as a minor character in the *Pinky:st.* OVA. He is Keiichirou's classmate and close friend. Their friendship becomes strained after a "tiny fight," the specific cause of which remains undisclosed. This conflict serves as the central narrative driver for Keiichirou's segment, ultimately leading to Keiichirou's depression. Yoshiharu wears glasses and works as a waiter, indicating a part-time job.