His favorite big-breasted AV actress, Kurumi Momose(real name: Sato), joined the company as a junior. A man who wanted to have her J-cup all to himself threatened Walnut on the condition that he keep quiet about it to the company, and not only did he cum inside her but also on her tits... As the days of extreme lewdness continued, his colleagues also found out about Walnut's true identity and flocked to her big tits, enjoying gangbanging just like in the AV world.