This kind of genre is funny and fluffy af but remember this it not the kind of way to get a girl in RL boys.
Being different and unique, yes.
Being rude and treat your crush like sh*t, no.
Isekai mc: i want to hide my power and live a peaceful life!
Also isekai mc: uhh lets start by taking the entrance magic check tests which would eventually reveal my power...
I feel like im getting the ending already.
Maybe something like:
-The fmc makes up with her bio mom, fix the family with the new dad.
-Fmc soul leaves the body, leave the original soul back to the body while parting with the old family, giving both family fresh restarts.
-The old family move...