https://www.mangago.zone/home/mangalist/1455680/?filter=&page=1
list of high school and uni/college
https://www.mangago.zone/read-manga/kimi_wa_natsu_no_naka/
https://www.mangago.zone/read-manga/faded_first_love/
https://www.mangago.zone/read-manga/konosaki_wa_futarikiride/
https://www.mangago.zone/read-manga/hirano_to_kagiura/
https://www.mangago.zone/read-manga/boy_meets_maria/
https://www.mangago.zone/read-manga/itsuka_tomodachi_ja_nakunaru_to_shite_mo/
https://www.mangago.zone/read-manga/sonna_me_de_mite_kure/ this one is really funny
https://www.mangago.zone/read-manga/bokura_no_tsuzuki/
https://www.mangago.zone/read-manga/hatsukoi_kazuki_rai/
Hey pls recommend me some Japanese BL mangas where they are still in school or college