[HENTAI GAME]Everyday Sexual Life with Hikikomori Siste
Story
You have just started living independently and
Nana, your little sister, is freeloading at your place.
But, where there is give, there should be take.
Nana in return helps out with your cherry boy problem!
Gain points by having lovey dovey sex with your little sister.
Use those points to unlock new positions and situations.
