Omg I don't remember anything about this story, just that the vampire mc is so cute! Can a...

vampires parents died, he got picked up by the other guy. He found out he was a vampire and keeps him for a year until his entrance exams. Entrance exams come and go, he goes to do his military service. 2 years timeskip now we're at S2

Thank you so so much! Now it does ring a bell, I totally forgot why the two met! Thank you mate!