Yukika married the president of an IT company for money. Naturally, their relationship quickly cooled, and Yukika began to frequent host clubs to ease her loneliness. There she met Oshima, a host looking for a woman who could make money. He used his skillful conversation skills to get Yukika to violate her anus. Then, a yakuza-like man who was behind Oshima's back appears and trains Yukika to be an anal slave. The woman who was once the president's wife now spreads her asshole in front of the men...