Need help!

I posted this earlier today but I didn’t get the correct one...thank though to those who tried...does anyone know his manga?
It’s about this couple...the seme is a single parent and the uke is a teacher/he takes care of his child. The get together but the story changes and becomes abt the son, who turns into a player after he finds out uke, who was his crush, was in love with his dad and they were a couple. He (the kid) eventually gets together with his childhood friend. Does anyone know what this is.