Phenex probably would have appreciated an archaic suit but the clothing aren't as important for them.

"Or the sunrise." Phenex responds with happiness. They can see the mortal is stunned and walk over, nearly appearing to float in the long dress, to take his hand and place kisses on both of his cheek in greeting.

"I've always been fond of Klimt." Phenex offers to try and bring Levi around. Their wings are shifting through pale pinks and high energy yellows and oranges of happiness, mirth, and affection.