(what I can think of rn)
https://www.mangago.zone/read-manga/come_to_hand/
https://www.mangago.zone/read-manga/hello_green_days/
https://www.mangago.zone/read-manga/boku_no_omawarisan/
https://www.mangago.zone/read-manga/exclusive_no_love_zone/
https://www.mangago.zone/read-manga/kyou_suki_tte_iimasu/
https://www.mangago.zone/read-manga/sign_language/
https://www.mangago.zone/read-manga/countdown_to_love/
https://www.mangago.zone/read-manga/plum_candy_love/
https://www.mangago.zone/read-manga/hajime_no_koi_nishimoto_rou/
https://www.mangago.zone/read-manga/don_t_get_caught_xxx/
(personal fav) https://www.mangago.zone/read-manga/habibi_s_rabbits/
https://www.mangago.zone/read-manga/that_moment_then/
https://www.mangago.zone/read-manga/after_staring_at_the_starry_sky/
https://www.mangago.zone/read-manga/the_sales_department_s_cupid/
https://www.mangago.zone/read-manga/look_at_me_tansan/
https://www.mangago.zone/read-manga/yakuza_wo_shibatte_ii_desu_ka/
https://www.mangago.zone/read-manga/sugar_dog_life/
https://www.mangago.zone/read-manga/first_night_with_my_beloved/
https://www.mangago.zone/read-manga/kimi_no_tonari_de_yurarete/
(another personal fav) https://www.mangago.zone/read-manga/chirijiri_yuku_no_cookie_jar/
https://www.mangago.zone/read-manga/kizuato_ni_kuchizuke/
https://www.mangago.zone/read-manga/old_fashioned_cupcake/
https://www.mangago.zone/read-manga/snow_fairy/
https://www.mangago.zone/read-manga/kono_tabi_osananajimi_to_karikon_shimasu/
https://www.mangago.zone/read-manga/twilight_sugar_cat/
https://www.mangago.zone/read-manga/ashita_ai_kamo_shirenai/
https://www.mangago.zone/read-manga/dekoboko_sugar_days/
https://www.mangago.zone/read-manga/dekoboko_bittersweet_days/
https://www.mangago.zone/read-manga/hana_tokidoki_kuma/
https://www.mangago.zone/read-manga/link_and_ring/
(actually nvm I thought of more)
https://www.mangago.zone/read-manga/grab_the_stars/
https://www.mangago.zone/read-manga/ore_no_kareshi_ga_ichiban_kawaii/
https://www.mangago.zone/read-manga/hatsukoi_kids_sitter/
https://www.mangago.zone/read-manga/perfect_propose/
https://www.mangago.zone/read-manga/derail/
https://www.mangago.zone/read-manga/tsubanakasu_haru/
https://www.mangago.zone/read-manga/aiou_futari/
https://www.mangago.zone/read-manga/sore_wa_haru_no_owari_ni/
https://www.mangago.zone/read-manga/sakanai_hana_ni_mizuyari/
https://www.mangago.zone/read-manga/otameshi_to_wa_ie_suki_sugiru/
https://www.mangago.zone/read-manga/kimi_no_pink_to_boku_no_blue/
https://www.mangago.zone/read-manga/nobara_to_pretender/
https://www.mangago.zone/read-manga/arcade_justice/
https://www.mangago.zone/read-manga/justice_judo_center/
https://www.mangago.zone/read-manga/kouguu_no_omega/
(this is getting a sequel) https://www.mangago.zone/read-manga/wait_in_bed_tonight/
https://www.mangago.zone/read-manga/sweet_hour_1r/
https://www.mangago.zone/read-manga/papa_no_sukinahito/
https://www.mangago.zone/read-manga/tonari_no_metaller_san/
(personal fav) https://www.mangago.zone/read-manga/toumei_na_ai_no_utsuwa/
https://www.mangago.zone/read-manga/daisy_jealousy/
https://www.mangago.zone/read-manga/subarashii_kiseki_ni_yasashii_kimi_to/
https://www.mangago.zone/read-manga/see_you_later_mermaid/
https://www.mangago.zone/read-manga/koi_ga_ochitara/
(/ volume 2 is here) https://www.mangago.zone/read-manga/koi_ga_michitara/
https://www.mangago.zone/read-manga/my_assistant_bf/
https://www.mangago.zone/read-manga/fukigen_na_doudou/
https://www.mangago.zone/read-manga/the_seduction_of_the_deep_sleeper/
https://www.mangago.zone/read-manga/don_t_be_nice_to_me/
https://www.mangago.zone/read-manga/arpeggio_on_sea_surface/
https://www.mangago.zone/read-manga/hoshi_dake_ga_shitteru/
(another personal fav) https://www.mangago.zone/read-manga/omaede_dame_nara_moudameda/

Completed yaoi manga recs!? The more green flag the better