[Machine Translation] They look cute, but they are not. The rat death game begins. Somewhere on an island, they are taken to what they think is a school excursion. There, they are told that only five people will be allowed to board the boat that will come to pick them up in 28 days. / / / / The indecisive and timid Nishibe is upset by this sudden turn of events. Can he survive? A cute and gruesome rat death game is about to begin.