Talk about an awkward question. Madoka has a quick answer as to the question of whether she's okay with it, but this one is on another level entirely. Just thinking of a spot where she'd have to get bitten is.. kind of weird? Enough so that her face starts to grow slightly red as the question fully dawns upon her. This really is the awkward part.

"W-Well.. Um.."

How is she supposed to know what would be good! She doesn't know where it'd hurt more or less.. At least she supposes it'd be good if it was in a place that wouldn't be too obvious..

"M.. Maybe on my arm..? I don't know.." Her gaze nervously darts around before landing back on Maru. "How did you do with your l.. last, um.. what did you call it.. your last Eve..?"