| YA.RA.SI |
|Civilization(s)|| Light Water |
The group consists of 5 members.
A mysterious group of idols whose actions are unknown. Leo Hyakujuu used to be their leader, but he left because he was interested with class 5-2. They are actually Unknowns disguising the form of humans but the unknowns involved are not stated.
- The band's name may be a play on the popular Japanese group, ARASHI.