Fists fly when Oya High’s street fighters defend themselves from a three-school alliance of brawlers.

Shintaro Ando has become Noble Dori after various confrontations. Now, the noble group, who are led by Shintaro Ando, has battles over the title of Legend ("Densetsu") against the prince group, who are led by Kanade Suzaku.

People are gathered by recruitment or being kidnapped.These people take part in the Werewolf Game. The participants must risk their lives in the game, while wealthy people wager on the winners and losers of the game. Masamune (Yuuki Ogoe) works as an operator of the game. He finds out that female high school student Yuzuki Natsume is one of the participants in the Werewolf Game. Masamune once taught Yuzuki Natsume as a private tutor. He wants to save her and he is willing to risk his life to do so.

The street fighters of Oya High and the delinquent brawlers of Housen Academy face off against each other when both seemingly attack each other.

In a city where unmarried people are drafted to solve the declining birthrate, 44-year-old unmarried Yoshiko tries to find a marriage partner in order to escape from recruitment.

The beautiful witch chocolatier Aikawa makes a mysterious chocolate that makes your wish come true just by eating it. One day, a high school girl who attends Seiran Gakuen visits Aikawa. The high school girl is told a dangerous contract that "a person who eats chocolate will be deprived of his" most important thing "as a substitute," but she accepts the contract and eats the chocolate. And from that day, mysterious incidents happened one after another in Seiran Gakuen ... On the other hand, Nao Iida, who belongs to the newspaper club of the school, follows those cases. Nao approaches the dark desire hidden in the incident and the mystery of chocolate.

Mari is a female university student. She takes part in an experiment held by popular VTuber Sophia. When Mari arrives at the place where the experiment is to be held, she notices the place looks like a prison. 12 people participate in the experiment and they are assigned roles of prisoners and prison officers. The experiment takes place over 7 days. Mari is assigned the role of a prison officer. The experiment turns violent.