When her secret love letters somehow get mailed to each of her five crushes, Jeon Heejin finds her quiet high school existence turned upside down.    

Hyunjin is 17 and has her entire life figured out already—she’s going to finish high school and become the soccer star she was born to be. That is, of course, until some random kid accidentally pushes her down a flight of stairs, shattering her knee, her wrist and her dreams, all at once.

"I don't want a better life, I just want you to tell her," she prayed.

Loona Unity High, all the students share the same dream. Everyone wants to become a hero don't they? It's the same case for teams Uni-Q, My0, and MaBl.  All under the execution unit of LUH's Hero Academy.   Not everything can be fairy tail where heroes win and enemies fall, no? Secrecy, lies, and trouble bury beneath the surface of Loona Unity's innocent action packed atmosphere. It will be the Hero Academy's job to destroy the source of where these mutants are coming from, but will r