I Want to Restart from the Beginning

Damn it, why is the owner of this body so miserable? The rebirth is attached to a junior high school student who has been domestically abused for many years, and my brain, a scumbag, is forced to accept the memories of a top student. There is no other way, you can only rely on me to change your fate. What? There isn't even a system for rebirth? How to play this? This host is too lazy, right? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.