1. **What are Gift Receipts?**
* Gift Receipts are given when you obtain a Costume you already own.
* Instead of receiving duplicate Costumes, you will receive Gift Receipts.
2. **Using Gift Receipts**
* Gift Receipts can be used to purchase Random Costume Box in the Shop.
3. **How to obtain Gift Receipts**
* You can earn them by ranking high on the Leaderboard.
* Gift Receipts can also be earned by completing Missions on the [Mission List](/game-system/mission-list.md).
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