As the leader of the Cultural Anthropology Club, Sayuri Riho intends to deliver an intriguing presentation for a school event. When the power goes out while she and the other members are conducting research, they are forced to halt their work. Moreover, every door in the school mysteriously locks, while someone from within ruthlessly murders students. Sayuri wishes for another chance to live a peaceful life, so an angel transports her to a different dimension where she later decides to become an idol. Without much thought, she submits a video for the Belift Lab audition and is accepted into a survival show called I-LAND. However, she regrets the decision after meeting her old friends again. Could this be a mere coincidence?
10 parts