Please help me, I can't find these underwear, where are they?

Giant Loyd #2 - on a tree next to the mine in Whiterain [Loyd affinity #2]

Ghart #2 - under the bed in Ghart's bedroom [Ghart affinity #1]

Astaroth #2 - in the main area of the Glory Dungeon [Astaroth affinity #3]