What is the 'event mission' system in Umamusume: Pretty Derby?

### Understanding Event Missions: - **Limited-Time Tasks**: Only available during events. - **Unique Rewards**: Earn items and bonuses. - **Boost Game Progress**: Take advantage of these opportunities! Keep an eye out for events to maximize your rewards!

Event missions are special tasks available during limited-time events. Completing these missions rewards you with unique items and bonuses that aren't available elsewhere.