https://www.mangago.zone/read-manga/haru_wo_daite_ita/
DON'T read Haru Wo Daite Ita Alive (it's the sequel) for your own sanity.
https://www.mangago.zone/read-manga/silver_diamond/
https://www.mangago.zone/read-manga/jinjuu_houretsuden/
https://www.mangago.zone/read-manga/ze/
https://www.mangago.zone/read-manga/love_mode/
https://www.mangago.zone/read-manga/shizuku_hanabira_ringo_no_kaori/
https://www.mangago.zone/read-manga/brother_x_brother/
https://www.mangago.zone/read-manga/yebisu_celebrities/
https://www.mangago.zone/read-manga/katekyo/
https://www.mangago.zone/read-manga/dear_green_hitomi_no_ounowa/
https://www.mangago.zone/read-manga/dog_style/
https://www.mangago.zone/read-manga/totally_captivated/
https://www.mangago.zone/read-manga/asterisk/
Any bl series that are old and a long series preferred completed something like https://www.mangago.zone/read-manga/ousama_ni_kiss/, and if there's tags that would be great too