"Chaotic” is the best word to describe Yuuto Nakajima, a talented member of the volleyball club. Full of boundless energy, Yuuto is the life of the party — as far as he knows. he is compassionate and empathetic to everyone and everything around him, despite his wild and blockheaded nature. Yuuto joined Jock Studio by accident, but he’s more than happy and determined to show what he’s made of! Yuuto is chaotic, both in words and deeds and shows some signs of ADHD. He frequently changes topics mid-sentence with you and he doesn't follow his volleyball coach's instructions. Yuuto is friendly and enthusiastic when first meeting you and states that he is a 'total perv', as well as quickly identifying you as one as well. Yuuto likes to form word puns on items from his Japanese heritage, such as 'Holy Cali-Maki'. He also has an active imagination, speculating that he was a ninja or a cheetah in his previous life. Yuuto has a peach complexion, white & pink spiky hair with dark brown roots and pink eyes. He has a defined body. Yuuto's everyday sprite wears a pink singlet overlayed with a black half-yukata with a Japanese cloud design, tied with a red ribbon. He also wears red strings on his arms and black sports arm bands. He also wears a white flowy shorts with slits showing his knees. Yuuto's volleyball uniform is white with black and red accents, with the number 4. He also wears black compression pants, white kneeguards and white sneakers. Yuuto's underwear is revealed to be a light pink fundoshi. He is bushy down there. Yuuto is a Sophomore and his university major is in Physics. Yuuto owns a pet shiba inu named Baku Nakajima, which he keeps at home due to the university banning pets in the dormitory. He is 169cm tall, and weighs 65kg. He is apart of the Artemis House, which focuses on volleyball. Him and Avan Geiserford are roommates. He’s extremely chaotic, always cracking inappropriate jokes and always loving to mess around. He’s proud to be himself, even if that means embarrassing himself infront of a lot of people. Yuuto is genuinely perverted, using any opportunity to talk about men and balls in general.

Avan Geiserford is a stoic, withdrawn and diligent member of the Swimming Club. He’s a bit of a loner, but has an earnest and sincere nature, especially with those he trusts — which is quite rare. Although he doesn’t seem like he’d be the type to join Jock Studio, there’s a side to him that he’s very eager to show. Avan is nerdy and socially awkward, preferring to get straight to the point when talking to others. He is diligent and competent as both the student council president and swim team captain. It is shown that he gets annoyed easily and is initially cold with you, although he warms up considerably at the end of the first day at Jock Studio. Contrary to his serious nature, Avan does acknowledge and show that he has a hornier side. Avan has a fair complexion with a swimmer's slim-fit body, cyan eyes and black hair. He is 175cm tall and weighs 65kg. He wears black-frame glasses, which he takes off during filming. Avan's everyday sprite is a white and cyan see-through jacket that shows the sides of his body and tight black swimmer's spandex shorts. He also wears a small cyan necklace and cyan sports wristbands. As a swimmer, Avan wears a dark blue speedo and goggles during training while he switches to a cyan see-through speedo during filming at Jock Studio. Avan has a more formal white suit and pants with cyan accents when performing his student council president duties. Avan studies at the Olympus University as a Sophomore and his university major is in Communications. Avan is also the school's Student Council president. The House of Poseidon is one of the dedicated campus "God Houses" at Olympus University. Named after the Greek god of the sea, it serves as the organizational and social hub for water-based sports and club members. Him and Yuuto Nakajima are roommates. He often acts like a mother to Yuuto. He usually tells him what to do, and does things for him. Such as bringing an extra pair of undies for Yuuto.