If you loved xxxHolic: Rō, try SHIROBAKO the Movie
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Tsutomu Mizushima, and they both carry the tender mood tag, and they sit in Animation territory. If that's the register that drew you to xxxHolic: Rō, the second film will land in a comparable space — through a different lens.
tender
What SHIROBAKO the Movie is
Here's a film that remembers how hard animation production is. Aoi Miyamori returns to a struggling Musashino Animation to manage a new theatrical project with a tight deadline. It is a film about the nuts and bolts, for those who like that sort of thing.

