This is a "usable" game with an emphasis on practicality, created by borrowing the 3D model "U10 Body ver. 6.0.1" created by the manga artist and U10 creator, kaziya21.

You and U10 live together in a high-class apartment with a night view.
U10 is free to move around the room according to her own desires.
If you don't do anything to U10, nothing special will happen.
Let's touch U10 and lead her to the naughty things by easy operation of the mouse click!- naughty motion, naughty moaning voice

　Naughty motion materials by unimi_love, "echioto" by Momoyu Ugai! Voice materials are used!
　You can enjoy U10's realistic reactions!

- Horny gauge is equipped!

When you touch U10 sexually, U10's horniness level will increase.
When U10 gets horny, she will start to masturbate, take off her clothes and insert your penis into her, and more.


- U10's horniness can be seen visually!

When U10 feels pleasure, a pink effect will be displayed on the area.
The first one is a small sensation in the sexual zone, then it gradually increases and spreads to the head and deep inside the vagina, and finally reaches the climax.


- Vaginal and rectal cross sectional views show insertion!

When you insert U10 into her pussy or anus, the cross sectional view of vagina and rectum will be displayed.
Of course, you can also see how it looks like when you come inside her.

("DPS cross sectional view" by Gal shop Tomngo is used.)

- Equipped with Bukkake system!

When you ejaculate on U10, you can choose between Nakadashi and Bukkake.
If you choose bukkake, you can ejaculate on U10's body as much as you want until you run out of semen.