Seen everything by Kentaro Otani?
If you've already watched everything Kentaro Otani directed, here are 12 films from other directors that share the orbit of Black Butler — the catalog's mood-cluster and similarity-graph neighbours, filtered to exclude Kentaro Otani's own filmography. Where to go next. (Also: Kentaro Otani's full filmography · where to start with Kentaro Otani.)
Saint Seiya: Legend of Sanctuary
epicuplifting
Asura
foreign gemoutsiderslow burn
Impossibility Defense
body horrormindfuckparanoid
Cold Fish
body horrordreadraw
A Ghost of a Chance
foreign gemcozyplayful
SPEC: Heaven
foreign gemmindfucksurreal
The Tale of Iya
bittersweetslow burntender
SPEC: Close~Incarnation
foreign gemcerebralmindfuck
Blue Exorcist: The Movie
foreign gemdread
Gantz: Perfect Answer
rawunhinged
Children of the Sea
bittersweetsurrealtender