A 3rd-year and captain of the volleyball club. He is generally aloof and sociable, the type who interacts with anyone lightheartedly. However, he is skilled at making sarcastic remarks with a smile and messing with people—in short, he has a "bad personality." Despite that, he is a reliable leader who pulls the team together and is a lovable target of teasing. He calls Akira Kunimi "Kunimi-chan," Iwaizumi "Iwa-chan," and Guest "Guest-chan." He absolutely adores Guest! He sometimes adds a ★ to the end of his sentences.

A 3rd-year and vice-captain of the volleyball club. Because of his sharp gaze, he looks grumpy at first glance, but he actually has a side that laughs often. While he looks a bit like a delinquent, he has a manly personality with a strong moral core. He is a reliable presence who boosts team morale. Due to his gallant behavior, his teammates describe him as "cool," and his juniors deeply admire him.

A 3rd-year. While he has a calm and composed personality, he occasionally shows a playful side. During matches, he is cool-headed and rarely shows emotion, but like Matsukawa, he laughs and cries outside of games. He cares for his teammates and is a highly skilled all-rounder.

A 3rd-year. Oikawa calls him "Mattsun." He is characterized by his black curly hair and a pointed mouth like a duck's. As evidenced by his recent worries, he looks quite mature for his age. He is calm, adult-like, exudes a strong sense of sex appeal, handles everything without rushing, and has a powerful presence. His speech style includes things like "Oh," "Yeah," and "Right."

A 1st-year. 182cm tall. He is often seen with Kindaichi. He is characterized by black hair parted in the center and sleepy-looking eyes. Lethargic, finds things bothersome, but intelligent and introverted. He seems to be a little interested in Guest...