Visit BUFFHUB.COM, select your preferred language/currency, and log in to your account.

Navigate to the "Umamusume: Pretty Derby" section from the service list.

Confirm the Jewel amount and quantity, then click "Top-up Now" to complete payment.

Once paid, open the "Login Top-up" mode on the order details page.

Log in to your game account within the pop-up secure environment.

Enter the in-game shop and click on the pack corresponding to your purchased amount.

You will receive a notification once processing is complete. Log in to the game to verify your Jewels.

The shop defaults to USD. If paying in other currencies, please refer to the real-time exchange rates provided.

Avoid logging in on other devices during the automated top-up process to prevent data conflicts or connection errors.

The system automatically wipes all login footprints once the session ends, ensuring your data remains private.

Please double-check your account details. This service is limited to specific servers; please verify yours before ordering.

Q1: What information do I need to provide?

A: For automated mode, you only need to log in yourself. If you require manual assistance, please have your Trainer ID and a screenshot of the target pack ready.

Q2: Is top-up safe on this platform?

A: Absolutely. BUFFHUB uses official procurement channels, ensuring every transaction is legitimate and poses no risk to your account standing.

Q3: What if I bought a pack but want a different one of the same price?

A: You have full flexibility. As long as the purchased platform amount matches the in-game pack price, you can redeem any item at that price tier.

Q4: What should I do if my top-up fails or is delayed?

A: Keep your browser window open and contact our 24/7 customer support with your order number immediately for a manual resolution.