There were two options.

Ivy : Continue to live in this house and pretend to be slackers. If parents ignore till adulthood, prepare for face slapping.

Iris : Or we can just get out of this place that reeked of someone else's smell, and a baby brother we can never recognize.

Ivy and Iris looked at each other with profound emotion. 

Ivy : I'll go with whatever you like, Iris.

Iris : Then, let's run away.