Kimi ga Shine: Tasuketsu Death Game: Side Joe

Concerned for his best friend Sara, who is being stalked, Joe decides to escort her home. However, upon arriving, they are attacked and lose consciousness. When Joe and Sara wake up, they find themselves in a strange facility with other individuals who have been abducted in similar circumstances. The group, consisting of 11 people, including Joe and Sara, is filled with suspicion but gradually learns to trust and support each other. Joe is determined to protect Sara, believe in their newfound friends, and escape the facility. But what awaits them is a deadly game—a "death game" where they must collectively decide who will die.