What kind of girl is Toutetsu's best friend?

I'm someone who prefers solitude, you say? Well, let me put it this way...

She's a social recluse, she sucks blood and...

That's me..!

It's gotta be me, huh...

Stronger than I would care to admit...

Cute and charming... I guess...

It's me, isn't it? ♡ Toutetsu's so cute~♡