Nishi is a loser who has a crush on his childhood girlfriend. After an encounter with the Japanese mafia, he journeys to heaven and back, and ends up trapped in an even more unlikely place.

Harumi is sexually deprived and given the cold shoulder treatment by her husband and is also being harassed by her mother-in-law because she was diagnosed as infertile by a doctor. One day, she is seduced by Kazama, her gym instructor. She can't control the hot flashes of her body and accepts the desires of a young man. But a few weeks later, she finds out that she is pregnant. But isn't she supposed to be infertile? Or is there a conspiracy between the doctor who declared her as such and her husband and mother-in-law? And when she learns the truth, something breaks inside Harumi...