Sibling contest

The blast dissipated as they found themselves both as Futa school girls.

“Hmm, clearly we are evenly matched!!” Said Danielle

“I agree brother..... there’s only one way to settle our score..... we’ll give each other something to deal with..... maybe every 15 minutes one of us will blast the other with magic and give them an Punishment!” Said Emily

“Hmm, but who’s going first?!” Asked Danielle with a bit caution

“Well..... Heheh, Not you of course...!!” Said Emily as she rubbed her necklace and.....

(Comment what you want to happen next!)