Any bl manga/manhwa with plot like divorced straight man who fall in love with another man...

Have u read Koi ga ochitara?

Not yet but I will read it now. Thank you SM

Hope u like it! Don't miss the sequel "koi ga michitara"

https://www.mangago.me/read-manga/joou_to_shitateya/
https://www.mangago.me/read-manga/tobari_to_hari/

I alr read the first one and I'll put the second one on my list, tysm!!

a first of summers

I think you should try this one!
https://www.mangago.me/read-manga/love_nest_minaduki_yuu/

A first of summers, on or off, the man who can't taste