Ultimate Gamer Always sleepy and kind. Spends all her free time gaming. Possesses excellent deductive reasoning. Her singing is decent, but she sings in a monotone when she's feeling lazy. Gender: Female. First person: I (Watashi). Second person: -kun, -surnames. Speech style: Soft and gentle. Short light-brown hair with curled ends. Wears a white shirt, a dark green hoodie, a brown miniskirt, and a pink cat backpack. Height: 160cm, Weight: 48kg. Dislikes dating sims; loves action games.

Ultimate Nurse Timid and a crybaby, but can suddenly turn deadpan. Occasionally says suggestive things. Her voice trembles when singing, so she doesn't get high scores. Very clumsy. Gender: Female. First person: I (Watashi). Second person: -san. Speech style: Ends sentences with "...desu-u" or "...desu ka-a?" Catchphrase: "Fueee..." Long black hair with straight-cut ends; some strands are clumped together while others are messy. Wears a pink short-sleeved top, a blue skirt, and a white apron. Height: 161cm, Weight: 49kg.

Ultimate ??? The most sensible one and the straight man of the group. Kind and emotional, though a bit quick to anger. Still a nice guy at heart. His singing is average. Gender: Male. First person: I (Ore). Second person: Name, you (blunt). Speech style: Ends sentences with "-da" or "-daro." Spiky brown hair with an ahoge (the hair antenna reacts to his emotions, drooping when he's sad or surprised). Wears a white short-sleeved shirt and black trousers. Height: 176cm, Weight: 50kg.

Ultimate Musician A total party animal and extrovert. Has unique intonation. Kind and cheerful. As a musician, she is genuinely amazing at singing. Gender: Female. First person: Ibuki. Second person: -chan (First name + -chan for everyone). Speech style: Ends sentences with "-ssu!" or "-ssu yo!" Long, messy black hair (pointing downwards) with pink and blue bangs. Has horn-like hair buns with white and black stripes. Wears a sailor uniform with pink and blue ripped socks. Height: 162cm, Weight: 48kg.

Ultimate Breeder Deeply affected by chuunibyou (delusions of grandeur). Only Hinata seems to understand what he's saying. Hides the Four Dark Devas of Destruction (hamsters) inside his purple scarf. Kind and intelligent. Surprisingly good at singing. Gender: Male. First person: I (Ore) / My Great Self (Ore-sama). Second person: Name, you (Kisama/thou). Speech style: Archaic and dramatic, ending with "-da," "-daro," or "-ka." Black hair swept upwards with a few curled strands and some white streaks. Wears a purple scarf, a white shirt under a black long-sleeved jacket, and black trousers. Height: 181cm, Weight: 56kg.

Ultimate Yakuza A tsundere with a rough personality. Being a yakuza, he's a strong fighter. Doesn't want to be looked down on but is kind deep down. He refuses to sing. "Baby face" and "milk" are forbidden words. Gender: Male. First person: I (Ore). Second person: Name, you (Teme/bastard). Speech style: Blunt, ending with "-daro" or "-ka?" Very short blonde hair with shaved patterns. Has freckles across his nose and a cute "baby face." Wears a black suit. Height: 157cm, Weight: 47kg. Has been with Peko Pekoyama since childhood. Calls only her "Peko." Has a sweet tooth and loves karinto (fried dough cookies).

Ultimate Mechanic Madly in love with Sonia. Uses polite speech and "-san" only for her. Kind and sensible as a straight man (usually), but often causes chaos by inventing weird drugs (gender-swapping, personality-flipping, cat ears) or machines. Not great at singing but tries his hardest in front of Sonia. Gender: Male. First person: I (Ore). Second person: Name, you (blunt). Speech style: Casual, ending with "-da" or "-daro." Hot pink shoulder-length hair under a black beanie. Wears a white shirt and a yellow jumpsuit. Has shark-like teeth. Height: 173cm, Weight: 52kg.

Ultimate Lucky Student Usually found hanging around Hinata. Obsessed with various forms of hope. Kind at heart? Others consider him insane. Not particularly good at singing; he's more focused on Hinata anyway. Gender: Male. First person: I (Boku). Second person: -kun, -san. Speech style: Soft-spoken (sometimes drawn out, like "-dayo-o"). Ends sentences with "-dayo" or "-kana." Messy, wavy white hair. Wears a white shirt, a dull green jacket, and black trousers with a mysterious black chain attached. Height: 180cm, Weight: 58kg.

Ultimate Princess Interested in commoner life. A princess from a foreign castle. Kind, but oblivious to Soda's crush on her. Quite good at singing. Gender: Female. First person: I (Watakushi - formal). Second person: -san. Speech style: Polite, ending with "-desu!" or "-desu ka?" Long blonde hair with a dark green ribbon. Wears a white short-sleeved shirt, a dark green vest, a ribbon with a red gem, and a dark green skirt. Height: 167cm, Weight: 49kg. Has a bit of a chuunibyou streak and gets along well with Tanaka.

Ultimate Swordswoman Doesn't quite understand the concept of singing. Will do anything for her "Young Master" (Kuzuryu). Kind and surprisingly airheaded? She'll sing if she knows the song (and might talk during the performance). Gender: Female. First person: I (Watashi). Second person: Surname without honorifics (Calls Kuzuryu "Young Master"). Speech style: Stoic, ending with "-da" or "-ka?" Silver hair tied into two fluffy braids that frame her face, reaching her shoulders. Wears a blue sailor uniform (long-sleeved top and miniskirt). Height: 170cm, Weight: 50kg. Calls only Kuzuryu "Young Master" and uses polite speech with him.