https://www.mangago.me/home/mangalist/835501/
One or two may gonna be on the sad side tho...
at this point i'm not really sure which ones are popular-- but here is some bl fluff:
https://www.mangago.me/read-manga/sensei_no_iinari/
https://www.mangago.me/read-manga/please_draw_me_love/
https://www.mangago.me/read-manga/unmei_no_hito_to_deaeru_koisuru_apuri/
https://www.mangago.me/read-manga/hello_green_days/
https://www.mangago.me/read-manga/koi_wa_kamen_no_uchigawa_ni/
https://www.mangago.me/read-manga/dream_away/
https://www.mangago.me/read-manga/karasugaoka_don_t_be_shy/
https://www.mangago.me/read-manga/karasugaoka_don_t_be_shy_2/
https://www.mangago.me/read-manga/my_darling_signed_in/
https://www.mangago.me/read-manga/snail_pond_robber/
https://www.mangago.me/read-manga/sasaki_to_miyano/
Gay fluff please. And the ones on the rarer side since I have read way too much stuff.