Orison Shipyards T-Shirt Black should be considered as a variant of Orison Shipyards T-Shirt White

These two items have the same set name (`crus07`):
- Orison Shipyards T-Shirt White (`eld_shirt_04_crus07_01`)
- Orison Shipyards T-Shirt Black (`eld_shirt_04_crus07_12`)

Therefore, they should be considered in the same set and are variants of each other.