Aoi Uso ~Kokuhaku no Houkago~(2021)

Six high school friends—Masaomi, Sho, Runa, Daichi, Hiyori, and Haruto—arrive at a grand Western mansion after receiving an invitation from their alumni association. They're surprised to find only a familiar butler greeting them, with no other guests present. A flamboyant man then emerges, introducing himself as the Game Master, and reveals their true purpose: they must solve a murder mystery. Their task is to identify who killed Inoue Honoka. As the friends navigate clues and accusations, tensions rise and trust fractures within the group. Aoi Uso ~Kokuhaku no Houkago~ blends mystery and psychological drama, forcing each participant to confront secrets from their shared past while determining which of them—if any—is the killer.