Adult PC Game: Inusuku - Imouto Life - Monochrome Final (Official Translation) Archive

Slowly, little by little, you'll grow closer to each other.
A daily life simulator where you live with your imouto (little sister).

Following her graduation, your sister moves in with you to your apartment,
where you'd been living on your own.

You're suddenly thrust into this life with your imouto.
What kind of brother will you become?