START-345 A part-time housewife working at a hidden top-class erotic body gyudon chain store is having unprotected, messy affair sex with a student part-timer, Sumaki Hibiki

Hibiki, a married woman who works part-time at a beef bowl chain, becomes close to her colleagues with a university student.He is attracted to a serious and sincere young man, and one day, he has the same time going up, so he goes out drinking and ends up having a relationship at the hotel.After that, he continues to do things all over the place after his part-time job, during his breaks, and even in the kitchen where he is open, and realizes that his physical compatibility is the best.