“I can ask her out now, right? You’ve broken up.” … “Hey man, you there?” “Yeah, what?” “I said, can I ask your ex out? After all, you both have broken up. So…” “Sure, go ahead. Cherish her in my place.”  

This is a complicated story in a normal school with the head master (or principle) name Mr. Yang. The story happens when the two best idol groups (in school) meet each other at a bar and what happen next, wait and see...