Hypn*sis Is Real!? Ribald Pleasures With Feisty Nieces!

Story:

Having lost his job, the protagonist sleeps on the couch at his older brother's.
His brother is married with two irritating daughters, Natsumi and Yuzuki.

One day, he stoops to pick up his smartphone and notices a new app.
It must have installed itself. It reads "Saimin" (Hypn*sis).
Could it really be... And if he uses it on his nieces they wouldn't refuse... right?
A bitter grudge has grown inside him. Time to unleash it on the brazen sisters!

Heroines:

Yuzuki Kawatani (younger niece)
Natsumi Kawatani (older niece)

Hypn*sis:

69 / paizuri / blowjob, handjob / exhibition / public sex
onani / regaining wits in the middle of sex /
regaining wits in the middle of an orgy / pregnancy...

An illustrated CG novel by Tiramisu

12 base CGs, + pose art, available in 3 sets of full/effects-only/text-free
708 grand total CGs
PDF included in standard and lite versions