Can anyone help me find this manga?

It’s a story about two guys one was trying to commit and the other stopped him and they were on the roof or something when they meet and then like fast forward a couple of years one of them went to Italy and he lost his memories but he didn’t really and when they meet the one he went to Italy was a business owner and the other one was like his employee and the top was remembering slowly and asked if they wanted to be boyfriends (I don’t remember much else but pls tell me if u know )