A frail high school student receives the heart of a "legendary mercenary"?! The ultimate guerrilla warrior vs. the most fearsome delinquent high school... A school revenge action story begins! High school student Shirube Boshiran returns to Japan after three years following a heart transplant overseas. Shortly after transferring to his local school, Haze High, he becomes the target of bullying. One day, when Ran is cornered by delinquents, a change occurs in his body...! "Get angry—atone with blood!" Memories and combat skills engraved in the heart awake within Ran. The counterattack of a high school boy awakened to immense power begins!

Shiori thought it was natural that she would marry her boyfriend someday. After being invited to a wedding by her selfish younger sister, Airi, for the purpose of harassing her, she discovered that the boyfriend she had been dating for four years had no desire to get married, and her values began to change. I get dumped because of our differences... As he realizes that he has been self-centered and reflects on himself, he is thinking about how to get through Airi's wedding, when he meets a bank employee who is a business partner. Haruto makes an unexpected proposal. "I wonder if it's okay if I rely on you..." Kazuichi's feelings of compassion are genuine, but... a fake relationship begins.