This issue applies to the Yaroi Armor bundle as well as the included items.
Yaroi Armor is a bundle that was made in collaboration with The Met. By visiting The Replica on Roblox, linked in the item’s description, you can see the corresponding armor on display is named Armor (Yoroi).
There are no results when searching “Yaroi” on metmuseum. As such, the correct name for this bundle would be Yoroi Armor.