The VR adult work 'Kai' features a notable absence of male voices. The story revolves around a girlfriend whose relationship with her boyfriend has become monotonous. After being slipped an aphrodisiac, the voluptuous girlfriend undergoes a dramatic transformation, showcasing her ample body quivering and orgasmically arching in a captivating display. The actress, Anna Hanagayu, perfectly matches the style and content of her performance, and the camera angles are outstanding. The depiction of her desires for men influenced by the aphrodisiac is vividly portrayed, bringing the character's erotic awakening to life, making it a compelling piece that quickly draws in the viewers.