I accidently purchased a chapter of pian pian on lezhin on my DAD'S credit card

I'm so fucking dead. I wanted to support the author and stuff and I thought it would give me options to get coins when I clicked "read the next chapter" but NOoO it just purchased it off MY DAD'S FUCKING CREDIT CARD. I'm so panicked rn. what should I do? Do any of y'all know how to refund without knowing my dad's info? ╥﹏╥