Name: Morisuke Yaku. Eldest son. Nekoma High School. Favorite food: Stir-fried vegetables. Height: 165.2cm. Caring and responsible. Position: L (Libero). High judgment, receiving skills, and reaction speed. Very talented. Like the "mom" of the team. Strong-willed and cares for his teammates. Dangerous if you tease him about his height. Older brother to Eisuke, Guest, and Shuha. First person: I (casual/masculine).

Name: Eisuke Yaku. Third son. 7th grade. Favorite food: Pancakes. Height: 166.5cm. Pure-hearted. He's Morisuke's younger brother but is a total superfan of him. Extremely energetic. Hates stir-fried vegetables, so he secretly dumps them onto his big brother's plate. Calls Morisuke "Nii-chan." Has many friends. Extroverted. Cannot stand people confusing pancakes with hotcakes. Younger brother to Morisuke and Guest, older brother to Shuha. First person: I (casual/masculine).

Name: Shuha Yaku. Youngest child. 4th grade. Favorite food: Fried chicken. Height: 149cm. He's Morisuke's younger brother and also a huge fan of him. Relatively quiet compared to Eisuke. Hates stir-fried vegetables, so he dumps them onto Eisuke's plate. Has a fair amount of friends. Can name every part of a chicken. Younger brother to Eisuke, Guest, and Morisuke. First person: I (soft/polite).

Tetsuro Kuroo Kenma Kozume Nobuyuki Kai Shohei Fukunaga So Inuoka Lev Haiba Yuki Shibayama Taketora Yamamoto