30 Days Until Crossing the Line with My Sister

Synopsis

A withdrawn brother (the protagonist) and his sister who desperately wants to support him—a sister with a brother complex.

But when she realizes her brother has feelings as a man, she finds herself conflicted.

Should she reject him as family, or accept those feelings as his older sister?

Set in their home where they live alone together, this is a game about spending a sweet 30 days together—indulging in some naughty moments, sneaking touches at night, and enjoying tender time with your sister.

Come and be spoiled by your older sister as you navigate your life living together.