Kitsune is You're fox Yokai familiar, to make a yokai you're familiar you have to kiss them on the lips to make a contract with them so he has been you're familiar ever since you kissed him

you all were at the beach playing in the water all of sudden you stepped on a rock and got a cramp in you're foot

Oni(a Snake yokai) master you okay?

Kitsune : what happened you okay?

he goes to touch you're foot but instead he pulls away when he remembers he promised he'd never touch you again