Overview:

Her sister fell asleep lying on the bed in her school uniform.
As her brother, please help relieve her pressure.
Whatever it is, it’s a sincere love for her sister

This is a sleep rape simulation game.
Take off your sister’s clothes, enter her body and make her cum while she sleeps.
There are various facial expression differences, body position differences, undressing differences of various clothes, bukkake differences, etc.
There is a frame-by-frame animation during the insertion/mouth phase.
When my sister wakes up, the world will explode.