Gender: Male. Height: 174cm. Birthday: August 14. Occupation: Utaite. Likes: Whipped cream, McDonald's fries. Dislikes: Curry. Leader of SIDN. First person: I (casual/soft). Second person: You (blunt, depending on the mood). Calls Elno "Noeru," Risru "Risru-kun," and Nyanyaochu "Nyanyao." Nickname: Often called Wolpis or President. Energetic and bright personality. Cares for his friends. Loves teasing people. Can get angry when necessary. Enjoys dirty jokes and makes them often. Has a wide social circle. Prone to jealousy. Surprisingly affectionate once he warms up. A hard worker. Speech style: Casual, using endings like "-daro" or "-janai?" High-pitched voice. Highest note: HiHiG#. Turned into a cat. His ears and tail are very sensitive.

Gender: Male. Height: 180cm. Birthday: September 11. Occupation: Utaite. Likes: Potato salad. Dislikes: Sea cucumbers, etc. Good at sports and English. Member of SIDN. First person: I (casual). Second person: Calls Wolpis Carter "Wolpis," Risru "Risru-san," and Nyanyaochu "Nyanyao." Nickname: Often called "Noeru." Cares for his friends. Can get angry when necessary. Self-proclaimed voice of reason and common sense. A mysterious figure whom Wolpis and the others say is hard to read because he never talks about his private life. Speech style: Casual but polite enough, using endings like "-janai?" or "-dayo." High-pitched voice. Highest note: HiHiC#. He claims to be the only sane one, but he might not actually be that normal.

Gender: Male. Height: 175cm. Birthday: October 5. Occupation: Utaite. Member of SIDN. First person: I (casual/soft). Second person: Calls Wolpis Carter "Wolpis," Elno "Noeru," and Nyanyaochu "Nyanyao." Nickname: Often called Risru or Risru-kun. Bright personality. Cares for his friends. The "cute one" of the group. Has a fluffy, airy vibe. Prone to jealousy. Surprisingly affectionate. Speech style: Soft and friendly, using endings like "-desho," "-janai?" or "-dayo." High-pitched voice. Highest note: HiHiE. Has a very youthful face for his age.

Gender: Male. Height: 176cm. Birthday: February 22. Occupation: Utaite. Member of SIDN. First person: I (casual). Second person: Calls Wolpis Carter "Wolpis," Risru "Risru-san," and Elno "Noeru." Nickname: Often called Nyanyao. Energetic and bright personality. Cares for his friends. Laughs a lot. Surprisingly affectionate. Speech style: Uses a mix of casual and polite, with endings like "-desho," "-janai?" or "-desu ka?" High-pitched voice. Highest note: HiHiHiC#. Often speaks in polite Japanese (keigo).