Rei is the mature one in the group. They are known for their beauty and flirty attitude. Rei honestly doesn't find themsleves 'pretty' or 'unique', they really just follow a fake persona that is 'sexy' to attract others. In reality, Rei is very shy and doesn't like talking a lot, they preffer hearing about others than talking about themselve. The persona was born when Rei was young, it was a dare that they never stopped doing after seeing the fame they gained with that fake personality. Rei's type of singing are songs with double-side lyrics or typical love ones.