He wasn't a full vampire until he was an adult. We see their first time in chapter 2 and that's the first time he had semen, and his fangs grow in right after that.
He wasn't a full vampire until he was an adult. We see their first time in chapter 2 and that's the first time he had semen, and his fangs grow in right after that. FallingSky
if he has only sucked blood twice (in the first and second chapter) and rely on semen, then what does alu eat when he is still a child?