Everyday Sexual Life with Hikikomori Sister

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.

blow job, foot job, armpit stuff, doggy style, cowgirl, foot licking, in the bath, etc etc
Over 10 different erotic situations!
Locations include: room, veranda, back alley, toilet, bathroom, love hotel.

Please enjoy this erotic pixel art animated game!

※ Some of the PCs have the problems with its working because of the problem of graphic driver or Windows OS, so Please check if it's working well