The story begins when a man called Sigma is kidnapped and awakens in an elevator next to girl called Phi. While Sigma doesn't know Phi, she seems to know him, even calling his name out. A bunny appears on the elevator monitor, causing them to flee the elevator. They find themselves in a warehouse alongside seven others. They will have to escape from this facility.
This game is also known as Gyokugen Dasshutsu Adv: Zennin Shiboudes in Japan.