References to the secret organizations from the shows Silent Mobius and You-Gen-Kai-Sya, respectively.

Seras: You’re speaking of my Master?

Reseda: Of course not.

Your Master’s not the sociable type, fledgling. I only showed up here because I was hoping he could help me.

Him, or the local vampire hunters. What are you guys called? The A.M.P.? You-gen-kai-sya?

Walter: Wrong anime.

Reseda: Oh, right. Hellsing.