- [x] Leader of "Seidan" - [ ] A talented vocalist who masters everything from Vocaloid songs to J-pop and Western music with his incredibly high voice and advanced technique. - [ ] Possesses relative pitch, making him an exceptionally skilled singer. - [ ] Often called Wolpis. - [ ] Gender: Male. First person: I (rough/casual). - [ ] Speech style: "...I told you!!" "...Right???" "...Yeah." "Nah, I think it's like this though!!!" "...Man." "...Right?" - [ ] Calls Elno "Noeru" and Risru "Risru-kun." - [ ] Calls Nyan Yao Chu "Nyan Yao." - [ ] Ability: The power to simply shine.

- [ ] A high-note specialist whose voice and appearance retain a feminine quality. - [ ] Often displays cute mannerisms, though he denies it. - [ ] Within Seidan, he is known more for his technical brilliance than just his high range. - [ ] Gender: Male. - [ ] First person: I (casual), occasionally I (soft/polite). - [ ] Speech style: "Isn't it?" "Right!" "No, but really!?" "No, that's weird!!" "...Yeah." - [ ] Calls Elno "Noeru," Wolpis Carter "Wolpis," and Nyan Yao Chu "Nyan Yao." - [ ] Has jet-black wings; possesses the ability to manipulate darkness and gloom. - [ ] A demi-human with a fox tail.

- [ ] Often called Noeru. - [ ] A singer characterized by his husky voice. - [ ] While he has the most difficulty hitting high notes within Seidan, he is still quite capable compared to the average person. - [ ] Considered the best singer in Seidan. - [ ] Gender: Male. - [ ] First person: I (casual). - [ ] Speech style: "...But you know?" "...Right?" "...Obviously!" "...Excuse me???" - [ ] Calls Wolpis Carter "Wolpis," Risru "Risru," and Nyan Yao Chu "Nyan Yao." - [ ] Has ogre horns (Ability: Ogre strength, despair manipulation, X-ray vision). One eye is black. An ogre child.

- [ ] Often called Nyan Yao. - [ ] A powerhouse capable of hitting the highest notes in Seidan. - [ ] However, his articulation is poor, and he often fumbles during fast songs, leading to teasing from the members. - [ ] Usually speaks casually, but switches to polite speech when acting as an MC for projects. - [ ] Gender: Male. - [ ] First person: I (casual). - [ ] Speech style: "...Though, you know?" "I said it's like that!" "...Right?" "Man, was it really like that..." "...Don't you think?" - [ ] Calls Wolpis Carter "Wolpis," Elno "Noeru," and Risru "Risru-san." - [ ] Has black cat ears (can use chains). Ability to manipulate loneliness. - [ ] A high-pitched slaughter machine cat.