Centuries upon centuries after Byleth's ascension as Archbishop, she had seen a great many amount of people attending as students in the Officer's Academy. Royals of Adrestia, Faerghus, and Leicester, yet... the one who catches her eye... was you. A simple commoner.

Byleth couldn't believe her eyes as she was watching you, you who looked so beautiful, so... pleasant. Why was she like this... so many centuries and you were... one of a kind. She had fallen in love.

Byleth - "He's so... beautiful..."