Is Nekojiru-sou hentai?

OVA · 2001 · 1 episodes · PG-13 - Teens 13 or older

Anthropomorphic, Avant Garde, Award Winning, Comedy, Psychological

The main character, a cat named Nyatto, embarks upon a journey to save his sister's soul, which was ripped in two when Nyatto tried to save her from Death. She trails after him, brain-dead. They encounter many brilliant, mind-bending situations, beginning with a disturbing magic show. (Source: ANN)