- Collect 4500 EXP during the Challenge Event: The Battle Against the Nijimura Brothers to receive as a Class 4 reward.
- Lucky Draws or Premium Draws.
DU Episode 3 Color Shift[3]
- Weekly Medal Exchange.
- Lucky Draws or Premium Draws.
DU Episode 2 Color Shift
- Collect 4500 EXP during the Challenge Event: Let's Go Eat Italian Food! to receive as a Class 4 reward.
- Lucky Draws or Premium Draws.
DU Episode 10 Color Shift[4]