Reborn in Dragon Ball Z: as human (SI)

What if you've been Living your life normally as any other person, just having a bad day that everthing ends up going wrong and then reflecting what has gone wrong and many things you could have changed if you just had another chance and then after going to sleep when you wake up you realize something is strange and then you realize you are not in your body anymore and you try to check your suroudings when you notice you are in the arms of a Normal tired woman with a smile on her face whos sitting down in a bed and then you finally realize that you've actually become a baby again.(This story will be a bit dark in some aspects. If this novel seems a bit bad Please advise me how to do it better since im new on doing stories and this is my first one and good read :D)