Shiba Hikigaya, the protagonist of the story, upon entering the top school in all of Japan, soon discovers that a student is murdering other students at the school. As the events unfold, Shiba’s missing fragments begin to resurface, and his grey side starts to fade, hinting at something darker within him. With the help of Lisa, a girl he met on a bus, and Liharu, a guy he met at a urinal, they begin working together as anonymous investigators. They communicate only through social media, with no knowledge of each other’s real identities. In school, they are just friends, but online, they have become the most searched anonymous investigators by the government of Japan.
