Rifuta Imu

Rifuta Imu was another idol like Kokomi. Her name is a pun of Time Leap (ri fu ta i mu -> ta i mu rii pu.

Background
Imu is a popular girl in PK Academy like Kokomi but she's continuesly being outshined along with being dumped by her boyfriend for Kokomi. Imu then goes after Kokomi by looking at her weakness until she leanred how the latter likes Kusuo.