This is what the opening credits look like:
These bats are the scene dividers:
And this is what vampire eyes look like:
Also:
A) I refuse to call this Vampire Gigolo again. I need my self-respect.
B) I read a bit of the manga and will read the rest, but have to say that it didn't feel very Kaori Yuki-ish to me.
No spoilers or hints for future episodes in comments.