Responses
Uhmm.. I'm not sure if this is what u need but try them, both are very lovely~
https://www.mangago.me/read-manga/kono_te_wo_hanasanai_de/
And
https://www.mangago.me/read-manga/one_room_angel/
Could I have some BL/GL in which the characters act mature? Like people who've got their lives together. Something realistic, wholesome, and profound. I wonder if something like that exists lol