Tsumugi works part-time at a beef bowl restaurant, and her husband earns very little. She goes out drinking with another student who also works part-time after work, and they end up letting loose... and they start an adult relationship. Her dry daily life suddenly becomes more lively, and she finds herself immersed in a love affair that allows her to escape reality... "It's okay if we do it raw, it's a good day," she says, without a condom. They have raw sex without a condom. An adulterous couple with an age gap indulges in sex. A beautiful part-time worker at a beef bowl restaurant and a hungry student...