She wanted to ask, but the extreme bliss of him drinking her blood was too strong.
'Ah~ I can feel Nikolai's tongue sliding across my neck. He's sucking my blood like a beast... more~ I want to feel this intense feeling of dull pain and pleasure more!'
"Ahhn~!" Nikita let out a subtle yet sensual moan as her body trembled—she lay on the bed with Nikolai over her body, and her mind became blank.
"Oh shit..." (Nikolai)
It was focused more on Nikita's feelings because of her being the one enjoying the pleasure and Nikolai being in his blood frenzy, so his mind wasn't fully aware until after he began to be more gentle and skilled in his caress.