Any bl where the uke and seme were childhood classmates or knew each other and grew up together ( prefer manga, but webtonn will also do)
https://www.mangago.zone/read-manga/cherry_blossoms_after_winter/
Stranger Than Friends.
https://www.mangago.zone/read-manga/ichinose_kun_wa_itsumo_iinari/ https://www.mangago.zone/read-manga/point_of_no_return/ https://www.mangago.zone/read-manga/red_my_superhero/ https://www.mangago.zone/read-manga/oko_sama_box/
Any bl where the uke and seme were childhood classmates or knew each other and grew up together ( prefer manga, but webtonn will also do)