School: Geijutsu Academy's Musical Department
Year: 2nd Year
Class: 1-A
Gender: Female
Height: 172 cm
Band: Raise A Suilen
Position: Vocalist

Wakana Rei is a second-year high school student at Geijutsu Academy's Musical Department. She goes by the moniker LAYER (レイヤ) and is the lead singer and bassist for the band RAISE A SUILEN. She is Tae's childhood friend.