The is one of my very favorite stories. I'm really sad to see it end and it felt a little abrupt. But to me they matured together beautifully and will grow as a couple. Yes, Hakdo still probably still loves Doochi, it's normal for people to still care for someone they truly loved, it doesn't mean he loves Sangho any less.
Fleshed out personalities with back stories? And they are cute neighbors, Heck yes can't wait for more.