GL MANHWA:
https://www.mangago.zone/read-manga/the_sea_painted_by_the_moonlight/ (manhwa; superior-subordinate relationship; intern MC x team leader mermaid FL)
https://www.mangago.zone/read-manga/sherbet_above_the_sea_of_fog/ (manhwa; cursed ghost ship setting; runaway noble lesbian MC x pirate captain FL; slow-burn)
https://www.mangago.zone/read-manga/unnie_i_like_you/ (manhwa; college setting; reincarnation; chaebol MC who remembers the past x university professor FL who doesn't; age gap, teacher x student relationship)
https://www.mangago.zone/read-manga/the_star_next_door/ (manhwa; male idol group fan MC x girl group idol FL)
https://www.mangago.zone/read-manga/welcome_to_the_red_witches_mansion/ (manhwa; commoner sacrifice MC x noble Witch FL)
https://www.mangago.zone/read-manga/i_want_a_girlfriend/ (manhwa; college setting; possible polyamorous relationship/harem?)
https://www.mangago.zone/read-manga/scorpion_time/ (manhwa; so far GL vibes only, it is tagged as a GL on another site though)
GL MANHUA:
https://www.mangago.zone/read-manga/insolence_is_her_middle_name/ (manhua; actress MC x actress FL; age gap, MC is 22 and FL is 29)
https://www.mangago.zone/read-manga/unaware_his_majesty_is_a_girl/ (manhua; historical setting - Imperial China; empress MC x cross-dressing emperor FL; side couple princess x female general)
https://www.mangago.zone/read-manga/is_it_normal_to_raise_a_yandere_heroine_as_a_villainess/ (manhua; transmigration into an otome game; royal magic academy setting; transmigrator MC x heroine FL)
https://www.mangago.zone/read-manga/clandestine_affair/ (manhua; historical setting - seems to be set in the 1950s?; lonely and neglected wife of a businessman MC x presumably dead ghost FL who haunts MC's mirror and wants to take over her body)
https://www.mangago.zone/read-manga/listening_to_the_stars_bbl_scans/ (manhua; college setting; GL audio drama fan and broadcasting major MC x MC's favourite GL audio drama voice actress FL; side couple MC's broadcasting major friend x art major whose OTP is MC and FL)
https://www.mangago.zone/read-manga/miss_forensics/ (manhua; coroner MC x police officer FL)
https://www.mangago.zone/read-manga/ruwei/ (manhua; illustrator MC x rich FL)
https://www.mangago.zone/read-manga/a_beautiful_tale_of_flower_stories/ (manhua; episodic chapters with different couples)
https://www.mangago.zone/read-manga/guifei_jintian_ye_yao_yi_shen_si_di/ (manhua; historical setting - Imperial China; concubines MC and FL; body-swap?)
https://www.mangago.zone/read-manga/there_are_always_teachers_who_want_to_ask_out_parents_unofficial/ (manhua; teacher MC x parent FL)
https://www.mangago.zone/read-manga/their_phantom/ (manhua; college student MC x gangster FL; toxic vibes; SPOILERS: doesn't have a happy ending)
https://www.mangago.zone/read-manga/the_heart_of_the_thorns/ (manhua; high schooler loner artist MC x monster axolotl princess FL; age gap? MC is 16 and FL is 260 but she seems physically/mentally to be a teenager)
YOU'RE AMAZING THANK YOU~
I gathered up some GL stories that weren't properly tagged, I'll be sharing them all on this post.
GL MANGA:
https://www.mangago.zone/read-manga/contract_worker_and_career_woman/ (manga; office setting; age gap, MC is 38 and FL is 21)
https://www.mangago.zone/read-manga/ryu_to_tora/ (manga; MC, FL and side characters are memory-bearers [reincarnations?] of Sengoku era warriors)
https://www.mangago.zone/read-manga/kiyota_san_wa_yogosaretai/ (manga; high school setting; germaphobe MC x popular and rich FL; author seems to be a man, characters are sexualized and written for the male gaze )
https://www.mangago.zone/read-manga/futsuu_no_koitte_nani/ (manga; high school setting; love at first sight; love triangle; slow-burn; depictions of negative self-thoughts, internalized homophobia)
https://www.mangago.zone/read-manga/chirizokonai_no_hiraeth/ (manga; double-suicide pact; MC and FL keep regressing back to their first meeting after every suicide; suicidal and negative ideations)
https://www.mangago.zone/read-manga/my_angel_childhood_friend_was_a_gal_when_we_met_again/ (manga; high school setting; childhood friends to lovers; plain MC x gyaru FL)
https://www.mangago.zone/read-manga/koi_yori_aoku_oneshot/ (manga; high school setting; unmotivated MC x bookworm FL; slow-burn)
https://www.mangago.zone/read-manga/gal_to_iinchou_ga_guuzen_saikai_suru_hanashi/ (manga; extroverted gyaru MC x introverted former class president FL)
https://www.mangago.zone/read-manga/heimin_no_watashi_desu_ga_koushaku_reijou_sama_o_taburakashite_ikiteimasu/ (manga; childhood friends to lovers; commoner bodyguard MC x noble master FL)
https://www.mangago.zone/read-manga/sukeban_to_tenkousei_ga_kudaranai_asobi_o_suru_dake_no_hanashi/ (manga; high school setting; seems to be set in the 1980s-1990s?; delinquent MC x transfer student FL)
https://www.mangago.zone/read-manga/garan_no_hime/ (manga; remote villager MC x mechanical person FL)
https://www.mangago.zone/read-manga/tsumetakute_yawaraka/ (manga; friends to lovers; FL is a married woman, no adultery comitted so far but there are signs of emotional cheating; slow-burn)
https://www.mangago.zone/read-manga/amasaya/ (manga; high school setting; a bit ecchi)
https://www.mangago.zone/read-manga/my_blue_garnet/ (manga; insecure unemployed MC x FL who is searching for her missing girlfriend)
https://www.mangago.zone/read-manga/koi_ni_koi_suru_koibito_kankei/ (manga; high school setting; senpai-kouhai relationship; dating contract; student council president MC x popular FL)
https://www.mangago.zone/read-manga/i_m_the_only_one_for_miyaji_miyuki/ (manga; high school setting; MC proposed to multiple girls as a kid, now they all want to be her girlfriend; harem)
https://www.mangago.zone/read-manga/oshikake_nyobo_kodomo_tuki/ (4-koma manga; high schooler MC x transmigrated from the future to the past FL; age gap)
https://www.mangago.zone/read-manga/futsuu_to_bakemono/ (manga; high school setting; loner MC x monster FL)
https://www.mangago.zone/read-manga/apricot_fuzz/ (manga; high school setting; popular MC who lies about being abused x introverted FL who actually does get abused; psychological, physical and mental abuse by parents)
https://www.mangago.zone/read-manga/salvia_no_bouquet/ (manga; orphan and apprentice MC x magic researcher FL; age gap, teacher/master x student/servant relationship)
https://www.mangago.zone/read-manga/koharu_to_minato_watashi_no_partner_wa_onna_no_ko/ (manga; based on a real-life relationship; long-distance relationship; age gap)
https://www.mangago.zone/read-manga/yashiro_no_maou/ (manga; descendant of an exorcist MC x demon lord FL; demon lord has a loli appearance)
https://www.mangago.zone/read-manga/android_dreams_of_jiraikei_girl/ (manga; suicidal MC x android FL; deals with topics of suicide and death)
https://www.mangago.zone/read-manga/haru_no_resista/ (manga; high school setting; set in a soccer club; NOT a GL, but does contain some GL vibes)
https://www.mangago.zone/read-manga/oshiegoto/ (manga; high school setting; art teacher and doujinshi artist MC x gyaru artist student FL; age gap, teacher x student relationship)
https://www.mangago.zone/read-manga/the_role_of_the_femme_fatale/ (manga; high school setting)
https://www.mangago.zone/read-manga/genjitsu_sekai_real_demo_shiawase_ni_shite_kudasai_ne/ (manga; high schooler MC x multiple transmigrated from an otome game into the real world FLs; harem; age gap, some FLs might be older than the MC)
https://www.mangago.zone/read-manga/furetai_wa_koi_no_hajimari/ (manga; high school setting; senpai-kouhai relationship; dating contract)
https://www.mangago.zone/read-manga/love_bullet_1/ (manga; female cupid matchmakers; every couple featured so far has been WLW)
https://www.mangago.zone/read-manga/your_false_embrace/ (manga; neglected housewife MC x host FL; adultery, toxic relationship)
https://www.mangago.zone/read-manga/stellar_step/ (manga; dystopia setting; idols MC and FL)
https://www.mangago.zone/read-manga/yuzu_and_rika/ (manga; high school setting; plain MC x popular and beautiful FL)
https://www.mangago.zone/read-manga/my_honey_she_is_the_best/ (Thai black&white comic; high school setting; delinquent MC x honour student FL)
https://www.mangago.zone/read-manga/kao_dake_yoi_classmate_ga_yatara_to_guigui_kuru_yuri_no_hanashi/ (manga; high school setting; kuudere MC x beautiful FL; MC cheats on her boyfriend with the FL)
https://www.mangago.zone/read-manga/yuri_yuri_panic/ (manga; high school setting; plain girl MC x beautiful Classmate FL)
https://www.mangago.zone/read-manga/shoujo_seikan_hyouryuuki/ (manga; so far GL vibes only, not sure if their relationship is/ever will be romantic)