NEO BLACK is a secret, members-only prostitution organization where feasts of abnormal desire unfold day and night. Misaki Azusa was once a promising star who held the future of the SM world, but her troubles with a psychopathic stalker slave stumble her way. Sold to NEO BLACK by a resentful slave, Azusa's potential as an excellent sex toy is discovered and she undergoes elite training. This is an underground, specialized brothel. What is required of women is a deep sexual service completely different from that of the mainstream brothel. There are no restrictions for women who survive. From a frenzied series of blowjobs to bukkake swallowing, and urinating and drinking 76 loads of urine, Azusa's beautiful and shining form as she strives to ascend the world is the birth of a toilet human.