第5話: 大学生たちが夜行バスの旅行中に奇妙な変化を経験する

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A group of college students sets off on a night bus to go on vacation. On the way, one of them develops a stomachache and asks the driver to stop at a service area along the highway. But when he returns from the bathroom, the atmosphere inside the bus is very different... (Source: Crunchyroll)