Responses
I tried looking for it but I'm not sure if it's this one. The summary sounds similar tho
https://www.mangago.zone/read-manga/blood_and_love/
beta
I remember reading this korean bl about college students with the seme being a vampire and he was avoiding a classmate because he was a vampire fanatic then one day, vampire got really hungry and ran into the fanatic and fanatic offered (more like seduced) the vampire to bite him