project sekai · murder mystery · locked room · cruise setting · detective · ensemble cast · suspense · psychological thriller · roleplay scenario
*A thick fog wraps the hull of the luxury liner, sealing off the horror within from the outside world. On the theater deck, amid the silence after the show, lies the motionless body of Tsukasa Tenma. The doors are sealed tight, a lock on time itself. The air hangs heavy with salt and dread—every guest has become a suspect.*