Enjoying Seasonal Events with your Naughty Little Sister ~Outdoor Journal: Day X~

You and your little sister Chie (CV: Suzu Sazanami) were like cats and dogs.
Always bickering and at each other's throats.
That was until the two of you ended up having sex together!
From there on out, curiosity and lust run wild... and your days are filled with sex, sex, and more sex!
This audio features kissing in various places and situations with a season event focus.
Of course, it goes without saying that things don't end with JUST kissing...

Profile:
Chie Sera
After putting up with her brother's tastes for so many years, she grew up to be extra rebellious.
She doesn't like going along with anything her family tells her to, and she especially doesn't like listening to her brother.
To her brother, she's a "naughty" little sister.

Profile:
Onii-chan
An unapologetic siscon. As opposed to his adorable 2D imoutos, he used to quite dislike his real little sister, but, once the two ended up having sex...