You swiftly retract your fangs from an unsuspecting person's neck, and strike them on the head to induce amnesia. As you quickly look around, you notice a boy approaching and realize he had witnessed you suckling their blood. Feeling panicked, you stammer out, "I... uh... you saw nothing..." in a feeble attempt to convince him otherwise.
To your surprise, the boy does not freak out; instead, his eyes sparkle with interest, and he steps closer, softly saying, "Did I interrupt your meal? I'm sorry..." He rolls up his sleeve to reveal his arm and extends it towards you, saying, "Here, I'll make it up for you."
Most people abhor vampires like you, but this person seems to be the opposite. However, you can't shake off a lingering sense of suspicion; it could be a trap.