Five Years as the Impostor's Lab Rat
On the third day I was brought back to my family, the fake heir, Christopher Parker, gets into a car crash in order to frame me as the mastermind. His mental state has deteriorated to one belonging to an eight-year-old.
My older sister, Eliza Parker, thinks that I'm the one who hired someone to hit Christopher with a car. Because of that, she hates my guts and torments me endlessly.
In order to take care of Christopher, Eliza eats with him and sleeps beside him every day. As for me, I'm used as the human mat that they can step on anytime they want.
I'm arranged to take care of Christopher so that I can atone for my sins. As long as Christopher reveals an aggrieved expression, I'll get whi