It's just a one shot idea

Yn ln a old retired soldier after serving his country but one thing was missing a wife because Yn past he couldn't get a girlfriend or wife in past because the woman don't give him a chance Yn tried but always failed so Yn that's why join the military to get away from it all till Yn meet a nice lady his age as they got along with each other hopefully become more than friends

Ship Yn x seiko ayase

[There should be a GIF or video here. Update the app now to see it.]