Tsumugi works part-time at a beef bowl restaurant, and her husband earns very little. She goes out drinking with another student who works part-time after work, and they end up letting loose... and they start an adult relationship. This brings a breath of fresh air to her dry daily life, and she becomes immersed in a love affair that allows her to escape reality... "It's okay to do it raw, it's a nice day," she says, without a condom. They have raw sex without a condom. An adulterous couple with an age difference indulges in sex. A beautiful part-time beef bowl worker and a hungry student part-timer have consensual sex. The two indulge in a fleeting love affair during and after business hours.