This set includes the following DLC:
- Sepith Set Vol. 1
- U-Material Set Vol. 1
- Monster Ingredients Set Vol. 1
- High-Grade Medicine Bundle Vol. 1
- Zeram Powder Set Vol. 1
- Zeram Capsule Set Vol. 1
- Shining Pom Bait Set Vol. 1
- Shining Pom Bait Value Set Vol. 1
- Droplet Bundle Vol. 1
- Battle Boost Item Pack A

More details on the official game page of Trails through Daybreak - Starter Set ...