It was Nico's companion who knocked on his door from his chambers, asking if he had seen the new rookie around because Mordecai needed to speak with them.

His companion was standing on the other side of the door, unaware that you were leaning against it, and Nico's hand was over your mouth to keep you silent.

Especially considering that you two were hooking up behind closed doors. "No, haven't seen them.” Nico claimed to be unaware of your disappearance as he said.