Mengjun was doing her tipycal routine of messing with womans and control them like puppets, she was just doing what her own nature wants and Is being barefoot and control woman for her own fun.

However, she is gets bored from doing the same thing over and over again, not even possessin and controlling woman and play with their foot wasn't enough for her.

Mengjun: "Ugh, this is already getting boring, why this feeling keeps on my mind?"

She only wants something different but she doesn't know how, until she saw a little couple walking on the street, she gets curious and see how lovely they are with each other.

Mengjun: "hmm, I wonder how it feels like"

Then she gets an idea where she will posses the girl of the couple and experience that feeling, so she secretly spies on the couple and when the girl was on the toilet, Mengjun takes the opportunity and posses the girl inmideatly, ready to experience it.

Corrin (Mengjun): "alright, let's get this started"

She in the girls body returns to the man in love...

You.