だらしなくてエッチなお姉さんが転がり込んできた。どうする!?

My power-career sister came to live with me after her business collapsed.
I ran out of reasons to resist her, day in and day out, tempted by her allure...
Play the younger brother in this sexy incest ADV game.
Your choices will decide if she's sadist or masochist.

[From DLsite English]