Yuna Yuki, a second year student at Sanshu Junior High School, is a 13 year old girl living a normal, ordinary life. The only difference is that she belongs to her school's Brave Hero Club.

Yuna Yuki was living a normal, ordinary life until certain circumstances drove her to transform into a hero.

After a month since Yuna and her friends were chosen as heroes, they are living very busy days.

Hero Club member Inubozaki Itsuki's class has a singing test coming up.

The battles with the Vertexes becomes even more intense, but the Hero Club, with its ever-strengthening bond, holds them off.

Yuna has renewed determination for tomorrow.

By order of the Taisha, Yuna and the rest of the Hero Club head to the beach.

Life in the Hero Club is as frantic as ever.

One of the Heroes receives a message.

Something shocking happens to the Hero Club.

The Hero Club members bare their souls.

Yuki Yuna is a Hero.