Nekojiru-sou, Manie-Manie: Meikyuu Monogatari Recommendations
Manie-Manie: Meikyuu Monogatari (Neo Tokyo) is a triple-feature, only the first part being comparable to Nekojiru-sou (Cat Soup).
Have trippy visuals that are related to a dark theme. Are atmospheric and imaginative. Involve a cat venturing through strangeness. Have a simple plot that could be described as a single event, yet that event spurs off into numerous unexplainable situations.