Thank you for playing Alchemia Story.
We have revised our Terms of Use on April 17th, 2019.
[Summary of the Revision]
Article 2.1 Gems
┗ Included information about Paid Gems and Unpaid Gems.

[New Terms of Use]
2.1. The Gems
2.1.1. Members will charge the Gems to their own Account from the prescribed methods and will be able to acquire individual contents (such as items) from this Service by consuming the charged the Gems.
2.1.2 The Gems are divided to "Unpaid Gems", that are provided by this Service to the Members for free, and "Paid Gems" that can be charged by the Member when paying for the required fees.
2.1.3. Members will receive the amount of the Gems according to the listed prices and they will be charged to the Member's Account by purchasing.
2.1.4. Members will acquire individual contents by consuming the required Gems. When the specified amount of the Gems are certified within the amount of the Gems owned, the Gems will be deducted from the Member's Account and the balance will be updated. Members cannot cancel the consumed Gems or refund the acquired individual contents, excluding cases prescribed by law or by ASOBIMO.
2.1.5. The Gems are consumed in order from the oldest date and time of obtaining. The Gem purchase bonus Unpaid Gems are granted after the Paid Gems.
2.1.6 The Gems are to be only for the owned Account, and you cannot give, lend, sell to another Account or change names of the Gems. Even if you own multiple Accounts, you cannot combine the Gems from other Member Accounts.
2.1.7. Members can check their Gem balance, purchase history, and usage history at any time from the history page by ASOBIMO. ASOBIMO will only update the history page and make no other notifications excluding cases provided in our policy.
2.1.8. The Gems is a Service incidental to the Member's Account, and you cannot unregister only the Gem Service.
2.1.9. There is no expiration date for Gems, however, upon reaching 180 days from the date purchased, they will be changed automatically into in-game contents (such as items), which ASOBIMO will specify according to the balance of the Gems.