Sayonara Mini Skirt

Sayonara Mini Skirt (さよならミニスカート; also known as "Good-bye My Miniskirt") is a series written by Aoi Makino and serialized from August 2018 in Shueisha's Ribon magazine. The series is said to hit stores by May 5, 2020 under the title Not Your Idol, to be published by Viz Media.

Plot
Karen Amemiya is the lead singer of miniskirt idol club Pure Club, that is until she is stabbed by a fan and left traumatised after the incident.

Half a year later, she is living her life as Nina Kamiyama, a girl who looks exactly like a boy. Nobody knows who she is, until fellow classmate Hikaru Horiuchi pieces together some evidence and finds out who she is! What exactly will happen next?

Official

 * Official manga site (in Japanese)