Contains 4 stories:

1. Ryuusei ni Inoru (Wishing Upon a Shooting Star): the new idol group IDOLiSH7 makes a live in a school festival!
2. Shisei ni Hekireki (Violet Thunder): a story centered on the MEZZO'' duo
3. Kuura to Pantsu (Cooler and Briefs): the Pythagoras team is alone at the dorm and a suspicious person appears outside
4. before The Radiant Glory: a story about how TRIGGER was formed