That's right, Coal has no memories. Izaya carefully watches his reactions with interest wondering if Celty would make similar facial expressions with her not being human and all. The informant chuckles a bit at his awkwardness and the way he changes subjects.

He might as well join in the festivities a bit, no one has shown any strange symptoms akin to being poisoned. "Yes actually, I think I would like some juice." Fetch Coal.