Set in Y-Academy, an elite school that only allows students with top class abilities to enter. The protagonist, Jinpei Jiba, and his unique friends take on the mysteries of the school as transforming heroes.

Three teenagers in a loving relationship are united by the same secret. Through the stories of the people from the town where they live, we begin to learn more about these young people and their secret, which seems to be getting bigger and bigger.

Ooshima Shino is a 1st-grade high school student. She has difficulties pronouncing words that start with vowels in front of people. Because of her speech impediment, she does not get along with others. Shino meets Kayo who likes music, but she is tone-deaf. They decide to start a band and Shino begins to change.

Introverted and passive gay boy Candy. He searches for love, but the world around him is cold.

Who can save him?

A German family Keller arrives to the coastal village to spend summer holidays with their Croatian friends. Horst Keller and Roger Katushic were friends ever since Karl May's film adaptations took place there. Their children were friends for years, too, and they look forward to the reunion. Fantasizing about free life and "cowboys & Indians" adventures in the canyon of the Cetina river, the boys go there without knowing that the three cruel Chetniks who had just escaped from prison hide there.