They make a special cleaner for removing ink from leather. I would go get some right now. Whatever you do, it needs to be cleaned right away. It will set in. Rubbing alcohol is a last resort and if you don't dry as you are applying it, it'll eat away the leather.
Re: Ink on leather?
https://www.yelp.com/topic/chicago-getting-ink-out-of-leather
Looks like rubbing alcohol would work
They make a special cleaner for removing ink from leather. I would go get some right now. Whatever you do, it needs to be cleaned right away. It will set in. Rubbing alcohol is a last resort and if you don't dry as you are applying it, it'll eat away the leather.
She is lucky she is so cute... Lol