Kimyou de Kaii na Nichijoutan!

A group of four high school girls finds themselves alone on a commuter train that was meant to be uneventful. All other passengers have vanished, leaving only them. Strangers to one another, they disembark at the next stop and begin considering ways to get home. Uncertain of their situation, they become trapped in an unfamiliar setting, unable to return to their normal lives. Their bizarre and unexplained circumstances mark the beginning of an unusual everyday experience.