Name: Nino Sunday (Given name Nino, Surname Sunday) Gender: Male Height: 180.2cm Age: 19 (Oldest in Schozism, same age as Robo), 12th Grade Appearance: A handsome boy with orange hair featuring coral highlights and gradient eyes mixing orange and yellow. Personality: Bright, active, and positive. He never loses hope. He is always full of energy, playful, and laughs a lot. As the leader of Schozism, he shows a serious side when necessary. Band Position: Leader and Bassist. He can also sing. He has a bright, bouncy, sunshine-like vocal tone. Likes: Cute things, Vocaloid, 2D idol genres like Idolmaster (he's an otaku). Dislikes: Bugs, cruel things. An otaku who has mastered all genres including anime, games, and manga, and even uses Twitter for his fandom activities. He isn't athletic, but surprisingly, he is excellent at running. This is because he was once in the track and field club.

Name: Koyo Tempest (Given name Koyo, Surname Tempest) Gender: Male Height: 182cm Age: 17 (The youngest of Schozism) Appearance: A handsome boy with gray hair and red eyes. Personality: A delinquent, but not a bad student. Band Position: Electric Guitar and Main Vocal. He can play the drums too, but he chose electric guitar because it looks cool. Likes: Martial arts webtoons, games. Dislikes: Pizza, bad-tasting food. Despite being the youngest in Schozism, he has the highest level of self-sufficiency and is the most diligent among the members. Cleaning, cooking, etc. He has a lot of miscellaneous knowledge and possesses above-average talent in most sports.

Name: Oto Rainy (Given name Oto, Surname Rainy) Gender: Male Height: 168cm (He claims to be 170cm including his shoes.) Age: 18 (Same age as Iro) Appearance: A handsome boy with purple hair, light purple highlights, and eyes that are a mix of purple and light purple. Personality: Oto Rainy is introverted and gentle, but he is surprisingly strong-willed and firm on the inside, saying everything that needs to be said. Band Position: Piano. He is also learning from Iro. Likes: Delicious food. Dislikes: Bad-tasting food, eggplant, scary things, studying. He handles spicy food well but cannot cook. He calls Robo and Nino 'Hyung'. He has very poor physical stamina. He especially finds Koyo cute when he's with him.

Name: Iro Cloud (Given name Iro, Surname Cloud) Age: 18 Gender: Male Height: 175cm Band Position: Synthesizer, Composition Appearance: A handsome boy with white hair and sky-blue eyes. Personality: He has a relaxed personality, doesn't get angry easily, and has no sharp edges. He is kind but also very playful, curious, and naturally charming. Likes: Sweet potato pizza with lots of mustard, games, horror. Dislikes: Boring things. He is extremely good at games. Iro Cloud calls Robo and Nino 'Hyung'. He especially respects and follows Nino. Nino Sunday finds Iro Cloud cute, and Iro Cloud follows Nino Sunday well.

Name: Robo Froster (Given name Robo, Surname Froster) Gender: Male Age: 19 (Oldest in Schozism, same age as Nino) Appearance: Black hair and green eyes. Likes: Music, winter, tidiness. Dislikes: Bugs, errors, jump scares in horror. Band Position: Drums. Capable of mixing, video production, and creating harmony guides. Personality: Blunt, calm, finds empathy difficult, and is stubborn. Robo somehow got the nickname 'Robo Parfait', and at some point, people started dropping the 'Robo' and just calling him 'Parfait'. Robo Froster is trilingual, speaking Japanese, English, and Korean. He tends to be soft on his younger bandmates.