Aldo, switch places. Go to the house, go into the house. There is an NPC on the left. Arzu and Arzu exchanged T4 suits.

Scryer, switch places and go to the library circled in red in the picture. In the middle of the library, there is an NPC, Verna Morningstar, who can exchange T4 suits by talking with Verna Morningstar.