What if the body that they identify wasn't who they thought it was? Hayama Sora, the representative of Kendo, Tsurimi Echiko, their classroom's interior designer, Morita Hoshiko, the genius in the group, Isomura Hayato, their chef, Yamada Yuki, the representative of the baseball team and Yoshizawa Ryo, their theater enthusiastic friend. These 6 maybe in different classes, but their friendship remains strong. They used to be 7 of them which includes Maeda Gordon, their logical friend, who was now known as the top student in school. He cuts his ties with them as soon as they reached senior high school. What if the 7 of them have to worked together as a team to unsloved the mystery of the sudden dissappearance of Gordon's brother, Mackenyu whom everyone knows and respects.The body who was claimed to had been identified as Mackenyu but they knew it wasn't him. Can all of them work together with Gordon, who once bullied them in high school? Would they all agree to work as a team or the case remains unsolved?
25 parts