Kato Ayano, son who becomes the practice object of a mother working in a bubble bath VENX-010

Driven by a desire to alleviate chronic sexual dissatisfaction and earn extra money, Ayano Kato decides to work at a bubble bathhouse – a perfect win-win situation. However, lacking experience, she decides to practice, buying an air mattress and a lewd chair to use as practice subjects with her son, Kazuya…