If you loved Afro Samurai: Resurrection, try xxxHOLiC The Movie: A Midsummer Night's Dream
A bridge between a film you've already seen and one most people haven't. xxxHOLiC The Movie: A Midsummer Night's Dream has roughly 6.0× fewer votes than Afro Samurai: Resurrection — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

Afro Samurai: Resurrection

xxxHOLiC The Movie: A Midsummer Night's Dream
What they share
Theysit in Animation / Drama / Fantasy territory. If that's the register that drew you to Afro Samurai: Resurrection, the second film will land in a comparable space — through a different lens.
What xxxHOLiC The Movie: A Midsummer Night's Dream is
Mansion gates. Summer dusk. Wind chimes. Yūko, Watanuki, and Domeki arrive at a collector's gathering, soon stalked by eerie disappearances. Each guest harbors a hidden desire, and the house itself seems to anticipate their doom. Early work from Production I.G offers elegant chills.