Four teenagers who left the school and entered the arena for the first time, went through all kinds of difficulties and dangers in order to find the truth, unravel the mystery of their life experience, and become a gentleman. They value the way of a gentleman and demonstrate the chivalrous spirit of "using their own strength to make the world fair". A strange book, a grudge, a belief, a legend.

Six short movies featuring the daily lives of Chisato, Takina, and their friends. Each movie will have a different director and storyboard.

The premise of this gag manga spinoff is about three high school students: a young male student, his girlfriend and a third wheel who is a One Piece fanatic. Their names are similar to the Straw Hat Pirates and the group form a fan club dedicated to One Piece.

Once upon a time, there was a girl named Sora. She loved to sing, but one day, something happened that made her scared to sing in front of others. As days passed, she forgot how to sing, and even how to laugh. Then, one day, she and her little brother Daichi stumbled upon a mysterious pond.