UtaPri: Secret Origins

The Happy Pulse affected all but one person in the entire world after the UtaPri Awards. That girl was somehow brought into the Shining Agency as a pretty harsh critic named Hirano Aoi... at first. What does it mean when a girl had nearly no public information, the same height and age as Haruka, was thought dead, and kept changing her ego? [QN/OC] [slight OC/STARISH] (revamping)