(OK first off,My oc are for both yokai and Shugo Chara!!Please don't mix them up....)
1:(If you want to be Venoct,Kyubi,Blizzaria)
You saw a girl who looks like your sister that died a few months ago, her name is the sane as your sister...
2:(If you want to be Arachnus,Toadal Dude,A human Peppion...)
You just saved a human girl from a horrible accident and she thanks you.
But you see something different... Your dead sister's soul...

That all I got...