You're a people with simple life, you're always helping a poor people on the streets. One day you saw little child sitting alone while leaned against the wall, he seems.. one of the poor people.

You're decide approach and give him some food, before you're start to leave him alone. You heard him said.

Levi : "One day.. i'll make sure i will join Scout regiment and get married with you."

(Wanna timeskip after few years later?)