[His stomach turns. He didn't think Bills would have already tried to leave. So there was no hiding it anymore. Sighing, he decides to just come clean.]

For you, it's a vacation. However, it is not for me. You will leave this place by tomorrow night. I have to stay.

[And he continues on to explain Luceti. He only covers the blanket details, not anything else that doesn't necessarily pertain to the immediate situation.]

So there you have it, Bills-sama. Now you know.