Western Crossover: Let's All Fall into the Abyss of Gambling

Blurb:

"Wins and losses are all part of war~"

"Even a bad hand won't shake my resolve~"

A black-haired, red-eyed high school girl hummed a song as she walked down the street, swaying her hands as she went. Her toes tapped the ground, as if music were playing here and she were keeping time.

A boundless darkness lay ahead, but she didn't care. Humming, she walked right into it. The passersby who watched her fell into a daze and collapsed, the only thing left on their retinas a giant black serpent hissing and breathing at them from the darkness.

"Where to next? Ahhh, I can't wait! I wonder if there'll be even more thrilling, satisfying, exciting games of chance." She murmured:

"Come on, let's wager our shining future on this die!"

And so she stepped into the darkness...

[Come on! Fall into the abyss of gambling with me!]

Straightforward blurb:

Yumeko Jabami is a high school girl who defies convention. Not only is she a master of games of strategy, she also has an astonishing passion for gambling.

Like a top-tier designer in Shining Nikki, she'll challenge people to gamble, with the stakes varying from person to person.

By the time she's thrown into an unfamiliar world, she's already planned out her future.

She cupped her cheeks, flushed with an unusual rosy hue, and gazed at the brightly lit [redacted].

"First, I need to find a place to take over."

Theme: Everything fate bestows upon us has already had its price marked in secret.