When the company he worked for was declining due to poor performance, Tatsumi was invited by his former teacher, Ayane, to work at an underwear manufacturer. He used to work as her hands and feet, and even now he does what she says... Ayane plays with him regardless of whether he is on duty and enjoys the thrill and excitement of Tatsumi. Tatsumi is bewildered by Ayane's guidance, which is becoming more radical with each passing day, but she can't hide his joy and continues to enjoy the pleasure.
