(Kiddy Sister belongs to SuperGalazy200, she is in public domain and therefore I have permission to use her, here is the proof; https://www.deviantart.com/supergalazy200/art/The-time-has-come-1071505692, this is her Minus AU counterpart)

One day, you had decided to walk through a portal, but you didn’t realize where this portal would take you… it took you to the Minus AU! Suddenly, you run into this universe’s Kiddy Sister / Minako

GASP A NEW PLAYMATE! She runs over to you We’re gonna have so much fun together!