Kubozuka Yosuke and Kamenashi Kazuya play the roles of an avenger duo tied to their dark past. They are not champions of justice, moral teachers, or preachers. Instead, they are professional avengers. Behind the facade of running a small and ordinary old bookstore, Kamo and Tora seek revenge for victims and their families against villains who have escaped legal justice. But why? What drove them to become avengers? The duo targets ruthless murder cases by a rapist, a child abuser, and a family manipulator.
A love story that takes place in the present day and in the past. Tamura Takuro is 27 years old and works as an art teacher at a high school. He is popular among the students. Yayoi is one of the students in his homeroom class. She spends her days without a goal in her life. Tamura Takuro recommends that she joins the art club. One day, Yayoi happens to see Tamura Takuro's sketchbook. The sketchbook contains countless sketches of a woman that Yayoi doesn't know. That woman is Yumiko. Yumiko was Tamura Takuro's Japanese language teacher and his homeroom teacher when he was a 17-year-old high school student. He loved his homeroom teacher.
Mitsuki Aya enters one of the best all-girl schools in Japan. One day, she sees a fellow classmate enthusiastically playing a fighting game in an empty classroom. Forbidden from playing games at the school, Aya, who is also a secret gamer, wants to play against her!
Physicist Manabu Yukawa returns to Japan from America. Detective Kaoru Utsumi visits him and talks about a case. The case is about a popular girl in a town who disappeared and, several years later, her body was found. A suspect was arrested for her murder. That suspect was previously arrested for another girl's murder, but he was released due to a lack of evidence. Detective Shunpei Kusanagi investigated the prior murder case. The same suspect was then released due to a lack of evidence for the most recent murder case. The released man returned to his town, where everybody hated him. On the day of the autumn festival parade, the man was killed. Physicist Manabu Yukawa, Detective Kaoru Utsumi and Detective Shunpei Kusanagi work together on his case.