Ennead
The art of taming a tiger (shaman)
Dead man switch (zombie)
Choose your heroes carefully (isekai)
Tysm, tho im already up to date w/ ennead really good read tho
Some of these are probably not even underrated, I just dont hear people talking about them
https://www.mangago.me/read-manga/madk/ (Demon x human turned demon)
https://www.mangago.me/read-manga/bitten_by_moonlight/ (Vampire)
https://www.mangago.me/read-manga/absolutely_ruined_love/ (ML with two personalities)
https://www.mangago.me/read-manga/dead_man_switch/ (Zombies)
https://www.mangago.me/read-manga/the_worst_guy_in_the_universe/ (I dont even remember what this was about but I enjoyed it cuz it was funny)
https://www.mangago.me/read-manga/muhyeok_x_naui/ (Enemies to lovers neighbors)
https://www.mangago.me/read-manga/kamisama_nanka_shinjinai_bokura_no_eden/ (the first alpha and omega)
https://www.mangago.me/read-manga/kowamote_no_rinjin_ga_datta_toki_no_taishohou/ (Omegaverse that I really loved)
https://www.mangago.me/read-manga/the_sales_department_s_cupid/ (MC who can read peoples love auras and a ML who is very open about liking him)
https://www.mangago.me/read-manga/run_away_assistant_manager_ha/ (Model x Office worker I always hear people talk about Love in Orbit but not this one)
https://www.mangago.me/read-manga/playtime_with_hakdo/ (Cute vers couple. I dont hear enough people talking about this)
https://www.mangago.me/read-manga/joou_to_shitateya/
https://www.mangago.me/read-manga/call/
https://www.mangago.me/read-manga/someone_else_s_bl_manhwa/
https://www.mangago.me/read-manga/midnight_rain_ctk/
https://www.mangago.me/read-manga/hide_mansion_mature_official/
https://www.mangago.me/read-manga/a_season_of_dusk/
https://www.mangago.me/read-manga/no_bad_dog/
https://www.mangago.me/read-manga/unromantic_quest/
Hotel phryne
Someone pls give me your best underrated yaoi/bl Im so bored