Alcuin wasn't actually sure if Nyx would even want just him, especially considering that presumably he was with a vampire for a reason. But Alcuin didn't say this.

He also realized that Hannibal must be concerned that it might seem like he was pushing for the threesome. Another form of telling Alcuin who to have sex with.

His expression softened. Maybe things were better. This was good.

"I wasn't expecting this, but... given the opportunity, yes I want this. Both of you. Assuming he really is keen."