Saya had planned a scheme so that Sakiko, who works under Makoto, would witness her sexual affair with Makoto in the office. Makoto’s home is about to become a broken one when his wife Sachiko is told of her husband’s unfaithful doings. Saya, simmering with bottomless vengeance, exploits Hayakawa, Makoto’s daughter’s private tutor, to lure Sachiko into committing adultery... and in the end, nothing can hold down sexual desires!

Members of a group of idols "Houkago Puritei Seitokai" are abducted in Akihabara and are entered to participate in a webcast game where the talents of the Idols are determined by a general election of the spectators. Each round the winner advances, but the loser will be subjected to rape, humiliation and death. Who will reign the title of Number one?