Hitoe is 34 years old. Her husband is overseas on a business trip, and she wanders aimlessly around town every day, filling her idle time with alcohol. Masaru is 48 years old. A train conductor. He gave up on his dream of becoming a driver after failing the national exam three times. The two meet each other while they have families.

Yuta, who was fatally wounded for the sake of his favorite child, is bedridden for the rest of his life. At the same time, his childhood friend Yuka has been taking "rustics" she has collected through a matching app to the other world one after another. And then, the evil hand crept up on her...