A woman enters a furniture store in search of a chair, but the proprietor is all too eager to reveal its past...

One night, senior high-school second-year Nishina Airi is abducted. When she wakes, she is trapped in an uncanny, isolated space with other students from her high school and forced to take part in the “Wer...

One day, Doppo, the high school protagonist, suddenly heard a voice from his phone saying "The game has begun" and that the "chosen challengers" have been taken to another world. If they complete their missi...