Her husband's income is also low, and they both work. 'Tsumugi' works part-time at a gyudon restaurant. After work, she goes drinking with fellow part-time students and ends up letting loose... getting into an adult relationship. Her dry daily life gets some moisture, and she finds herself deeply engrossed in an escape from reality... 'It's fine without a condom, it's a safe day.' Have sex raw. Age-gap affair couple gets drunk on sex. Sex between the beautiful part-timer at a gyudon shop and the hungry student worker. During business hours, after business hours, the two drown in their brief affair.
