Hello

Blood bank

K's secret

https://www.mangago.zone/read-manga/red_beryl_ni_sayonara/
https://www.mangago.zone/read-manga/gomidame_no_garnet_team_hazama/
https://www.mangago.zone/read-manga/cure_blood/

Here you go :
https://www.mangago.zone/read-manga/dalkomhan_namja/
https://www.mangago.zone/read-manga/smoky_nectar/
https://www.mangago.zone/read-manga/smoky_nectar_renew/

straight:
olgami
blood kiss (smut)

These are all GLs:

https://www.mangago.zone/read-manga/shoujo_tachi_no_kizuato_ni_kuchizuke_wo/ (manga; vampire x vampire)
https://www.mangago.zone/read-manga/seifuku_no_vampiress_lord/ (manga; vampire x human)
https://www.mangago.zone/read-manga/i_won_t_let_mistress_suck_my_blood/ (manga; vampire x human)
https://www.mangago.zone/read-manga/my_food_seems_to_be_very_cute/ (manhua; vampire x werewolf)
https://www.mangago.zone/read-manga/killing_me_akiyama/ (manga; vampire x human)
https://www.mangago.zone/read-manga/koroshi_korosare_sankaku_kankei_ni_watashi_ga_ima_kara_hairun_desu_ka/ (manga; vampire x human)
https://www.mangago.zone/read-manga/liberta/ (manga; vampire x human-turned-vampire)
https://www.mangago.zone/read-manga/vampire_chan_junior_chan/ (manga; vampire x human)
https://www.mangago.zone/read-manga/kamitsuki_gakuen/ (manga; vampire x human)
https://www.mangago.zone/read-manga/scarlet_yuino_chiri/ (manga; vampire x werewolf)
https://www.mangago.zone/read-manga/gunbured_x_sisters/ (manga; vampire x human)
https://www.mangago.zone/read-manga/black_backed_albatross/ (manhua; vampire x zombie)
https://www.mangago.zone/read-manga/kiss_me_in_the_dark_of_night/ (manhua; vampire x human)
https://www.mangago.zone/read-manga/vampires_higashiyama_shou/ (manga; vampire x human)
https://www.mangago.zone/read-manga/kyuuketsuki_to_yobaretai/ (manga; vampire x human)
https://www.mangago.zone/read-manga/girls_vampire/ (manga; vampire x human)
https://www.mangago.zone/read-manga/blood_time/ (manhwa; vampire x human)
https://www.mangago.zone/read-manga/a_girl_who_longed_to_be_a_hero_aims_to_be_a_hero_even_if_she_falls_into_a_vampire/ (manga; vampire x vampire)
https://www.mangago.zone/read-manga/savior/ (manhwa; vampire x human x human-turned-vampire; toxic relationship, depictions of kidnapping, violence, love triangle - girl A loves girl B, girl B loves girl C, girl C loves girl A)
https://www.mangago.zone/read-manga/the_most_perfect_meal/ (manhwa; vampire x human)