He confesses his love to his ex-colleague Mitsuki many times, but is rejected over and over again. He is treated as a stalker and fired from his company. His feelings finally explode and he decides to attack her! She is suddenly attacked and becomes so scared that she doesn't resist and is mercilessly raped! While restrained, she is subjected to humiliating treatment such as eating, excreting, inserting foreign objects, and deep throating, and is creampied many times. As she continues to scream and convulse at the violent orgasm of the insatiable man who threw away his life, she becomes a human toilet.