Looking for a certain bl

Hi I'm looking for a certain bl I don't remember much of it but the seme is younger and the uke is older and I'm pretty sure the uke is a highschool teacher and the seme is a former student and they reunited at the semes older brothers wedding and the uke liked the older brother, after the wedding the seme found the uke drunk up on the rooftop or something!!!! Pls pls pls help