Kei and Akari have gotten into a regular routine of sex, but when she has to go away for the weekend for an overnight field trip she worries he might...
Kei is getting along with Akari and Tuzumi together with no problems, having lots of great sex, but another thing the sisters share is their period....
After holding back for a week, Akari and Tsuzumi reward Kei with a swim at the beach, where they of course have more then just swimming planned. Once...
Kei and the sisters are studying together, but something's different, and Akari is growing suspicious. Akari does what she does best to try and wring...
With the thriving underground sex trade of Succubae in Japan it was only a matter of time before use and sale of their Tail secretions and saliva was...