[Reducing Mosaic]EBWH-278 Won't you rule over us? Perverted masochistic sex. A faceless, bullied big-breasted housewife gets fucked to orgasm by a rich sadist old man. Koguri Hikari, Hazuki Noao

``Hikari'' and ``Noao'' are mom friends who live in a luxury apartment and are married to a celebrity husband.The two had very strong sexual desires and often talked about their frustrations.Then I found out about a secret party.It's a members-only event where only wealthy people gather, and they wear masks so their faces won't be seen.When I decided to take part in the event, a strange sight unfolded.Seeing the world of SM for the first time and feeling the best masochistic pleasure for the first time.She learns that various sexual acts while being restrained are the most pleasurable thing...A new door has just opened for the two of them.