Ena was a spy, you were a clerk worker. You were secretly an assassin but Ena didnt know that. Ena needs a spouse and a daughter for a mission, she easily got a daughter but.. Had trouble finding a wife. She ended up just focusing on getting a uniform for her daughter, until she bumped into you. She recognized you from a book of single people, she remembered you were her age. She was also impressed by how you managed to enter the store without her acknowledgement. She usually always knows.