Mangas/webtoons where the MC is a vampire? I don’t mind if it’s an action/romance/yaoi...

https://www.mangago.zone/read-manga/mamono_no_hanayome/
https://www.mangago.zone/read-manga/the_sacrificial_princess_satisfies_the_vampire_duke_s_thirst_with_sweetness/
https://www.mangago.zone/read-manga/xx_shinaide_tsukimine_san/
https://www.mangago.zone/read-manga/i_became_unparalleled_with_the_power_of_the_crazy_vampire_king/
https://www.mangago.zone/read-manga/zack_in_love/
https://www.mangago.zone/read-manga/2_dome_no_jinsei_wa_oshi_no_shokuryo_desu/
https://www.mangago.zone/read-manga/yoru_san_no_itoshi_no_bansan/

forgot this 1 https://www.mangago.zone/read-manga/your_meteor_hidden_in_flowers/

after a meal!

White blood

Ughhhh I just answered this the other day. I wish I saved the list

Blood+ (great manga but the anime is peak)
Yabun ni Kyuuketsu Shitsureishimasu
Fangs
Olgami (ML is the vampire but this is so good I have to recommend)
Bloody Sweet (ML is also the vampire in this one)
Nocturnal Dogs
Vassalord
Hellsing
Savior
Happiness (OSHIMI Shuzo)
Orange Marmalade
Vampire Library

I got you Pookie (づ￣ ³￣)づ
https://www.mangago.zone/read-manga/noblesse/
https://www.mangago.zone/read-manga/blood_strangers/
https://www.mangago.zone/read-manga/olgami/
https://www.mangago.zone/read-manga/augs_law/
https://www.mangago.zone/read-manga/white_blood/
https://www.mangago.zone/read-manga/moonstruck/
https://www.mangago.zone/read-manga/honey_blood_lee_narae/
https://www.mangago.zone/read-manga/liar_where_are_vampires/
https://www.mangago.zone/read-manga/bloody_romance/
https://www.mangago.zone/read-manga/my_food_seems_to_be_very_cute/
https://www.mangago.zone/read-manga/vampire_beru_and_ghost_aki/
https://www.mangago.zone/read-manga/can_i_bite_you/
https://www.mangago.zone/read-manga/homework_of_the_mind/
https://www.mangago.zone/read-manga/vampire_family/
https://www.mangago.zone/read-manga/crush_and_burn/
https://www.mangago.zone/read-manga/blood_sacrifice/
https://www.mangago.zone/read-manga/vampire_library/
https://www.mangago.zone/read-manga/bloody_mary_samamiya_akaza/
https://www.mangago.zone/read-manga/fangs/
https://www.mangago.zone/read-manga/vassalord/
https://www.mangago.zone/read-manga/owari_no_seraph/
https://www.mangago.zone/read-manga/servamp/
https://www.mangago.zone/read-manga/moto_konyakusha_kara_nigeru_tame_ky_ketsu_hakushaku_ni_koibito_no_furi_wo_onegai_shitara_naze_ka_dekiai_m_do_ni_narimashita/
https://www.mangago.zone/read-manga/kyuuketsuki_to_yukai_na_nakama_tachi/
https://www.mangago.zone/read-manga/liberta/
https://www.mangago.zone/read-manga/yofukashi_no_uta/
https://www.mangago.zone/read-manga/oshi_ni_amagami/
https://www.mangago.zone/read-manga/kami_to_yobareta_kyuuketsuki/
https://www.mangago.zone/read-manga/trump_hamaguri/
https://www.mangago.zone/read-manga/your_meteor_hidden_in_flowers/
https://www.mangago.zone/read-manga/killing_me_akiyama/
https://www.mangago.zone/read-manga/drcl_midnight_children/