[Crossover] One Day I Became the Hat Rack's Black Card

I, Ji Wanquan, am currently the poorest of Penglai's great senior sisters.

To scrape together the refinement fees for my precious umbrella, I threw myself into an experiment with Penglai's new spell.

But as it turns out, once bad luck strikes, it can go on forever.

The instant the formation activated, I lost consciousness. When I opened my eyes again, I discovered that I'd turned into a card.

And not just any card, but a black card with no spending limit.

Ji Wanquan, who'd instantly become a rich card: eyes trembling in shock.

I'm staying in this fancy leather wallet forever. Don't even think about taking me out!!

1. Umbrella girl x one of the two black-haired characters.

2. The characters will be 100% out of character. I have fun with the OOC; you can enjoy it too.

3. Updates are irregular.

4. The timeline is a mess, with no logic.

Theme: Money makes the world go round.