If I had naughty sisters...This is a sexually explicit RPG, set in the countryside deep in the mountains of Japan, where you can fulfill such fantasies.
Let's have "secret sex" with sister, without your family or the villagers finding out!

*This is the 3rd one, but no connection between the stories. You can enjoy it from this work as well!

In this game, you can have sex with sister in the house, outside, or near other people.
Seemless transition from walking to Dot Sex, on the general map.
Please note, that the game may be over if family members or villagers see you.

And, of course, the game also includes illustrated sex scenes!

You can enjoy summer vacation fun in the Japanese countryside, such as "Insect collecting" and "Fishing".
Furthermore, you can play mini-games such as "Tag" or "Hide-and-Seek" with the entire village.

The river will also host a "Water Battle" using RPG maker MV unique battle system.
Let's take sister, then you can get swimsuit her wet...!?
And by completing mini-games, you can also see Sex with Sub-characters!