Mogami Shinya eagerly set out to fully indulge in his hobbies during the autumn long weekend, but upon arriving at the station, he was caught in a large-scale summoning and transported to another world.

He awoke to find himself lying alone in a grassland. There, accompanied by a reassuring attendant who inexplicably manifested from his delusions, he decides to live a quiet life in this world. Adventures are a bit much for a man past thirty.