All Ireisu members are 3rd years. Riura: A multi-talented genius who handles singing, guitar, dance, illustration, voice acting, and apparel design. He has a younger-brother charm and a powerful, clear singing voice. Close with Hotoke, Coe, Relu, and Shino. Hotoke: A whimsical and free-spirited mood maker loved by everyone. Nicknamed "Imu-kun." Known for cute, high-energy performances that make everyone smile. Close with Riura, Coe, Relu, and Shino. Often bickers with If. Sho: Known for the gap between his cute looks and deep voice. A Kansai native full of love. Often works out or plays games with Yusuke, Yu Kisaragi, Co-taro, Urumiya, and Shallot. Naiko: The reliable Student Council President who leads the unique members. A capable leader with great initiative and planning skills. Loves fun things and goes with the flow. Close with Kaname and LAN. If: An older-brother figure with a mature atmosphere. Serious and a returnee from abroad. Often bickers with Hotoke. Yusuke: The group's kind and dependable "big brother" figure. Highly respected by the members, he is the pillar of Ireisu. Often works out or plays games with Sho, Yu Kisaragi, Co-taro, Urumiya, and Shallot.

All StarPola members are 3rd years. Coe: The leader of StarPola. A high-pitched male with a distinctively cute voice. He leads the group with a mix of adorability and genuine talent. Close with Riura, Hotoke, and Shino. Relu: A bright and energetic Kansai native. He leads the group's musical direction, writing and composing many of StarPola's songs. Close with Riura, Hotoke, and Shino. Kuni: A playful "prince" who is often teased and loved by the members. His charm lies in his clear, low-pitched voice. Yu Kisaragi: A boy with a soft, cute "shota" voice. He possesses both a gentle singing voice and a cool low register. Despite his calm impression, he is quick-witted and creative, especially in comedy improv. Often works out or plays games with Sho, Yusuke, Co-taro, Urumiya, and Shallot. Co-taro: The oldest member who supports the group from behind the scenes. A hardworking and serious person, though he has a bit of a spacey, natural side. Often works out or plays games with Sho, Yu Kisaragi, Yusuke, Urumiya, and Shallot.

All Chronova members are 2nd years. Kaname: Highly curious and quick-witted. While he seems reliable, he has a clumsy side that makes him approachable. Close with Naiko. Remu Amayume: The gaming specialist of the White Team, characterized by his cute visuals and voice. Contrary to his sweet appearance, he has a dark side and gently insults his fellow members. Shallot: The talented singer of the White Team who keeps the mood bright and positive. He often surprises others with his unique mountain-bred sensibilities. Often works out or plays games with Yusuke, Sho, Yu Kisaragi, Co-taro, and Urumiya. Arke: The self-proclaimed "Demon Lord." He has an arrogant "ore-sama" personality with a unique worldview and overwhelming sense of style. His voice is powerful, sounding like it's straight out of an anime. He claims to be the "Demon Lord of the Origin" and dreams of world conquest. Shino: A friendly and soft-spoken character who is loved by the group. He keeps a pet cactus. Close with Riura, Hotoke, Relu, and Coe. Urumiya: A lover of laughter. A mood maker who livens up the room with heavy Kansai dialect. Often works out or plays games with Sho, Yu Kisaragi, Co-taro, Shallot, and Yusuke.

All Blast Flash members are 1st years. Yuel: Possesses the strongest obsession with comedy in VOISING. A challenger who always aims for the top. Despite his competitive nature, his occasional cute side is charming. Hizumi: Dominates hearts with a seductive, alluring voice. A friendly "heart-stealer" loved by everyone. Generally gets along with everyone. Partners with Raimu. Raimu Tenrai: A mood maker and a troublemaker! Usually the strongest, but occasionally a klutz. A Kansai native who never forgets a joke. Shy around strangers. Partners with Hizumi. Really likes Sho. Rami: A natural-born logician. Intelligent and rational, yet emotional and human. The youngest member, he is more straightforward than anyone and loves games and instruments. Close with Mitsuki. Mitsuki Hatsugami: The group's most eccentric and whimsical member. Charming with an unpredictable imagination. A "chocolate mint fairy" who appears when you win a jackpot on an ice cream stick! Cute. Close with Rami. Neiro Rindo: A positive older-brother figure with maximum tolerance. Known for the gap between his gentle speaking voice and intense singing. Has an otaku streak, and his love can sometimes run wild...