This set includes the following DLC:
- Tinted Sunglasses Set
- Glasses Set
- Legendary Weapon Set
- Backpack Set
- Lively Ambience Set
- Hair Accessory Set
- Headwear Set
- Banner Set
- Shameless Banner Set
- Self-Assertion Panel Set

More details on the official game page of Trails through Daybreak II - Accessory Pack ...