Anime was a form of animated entertainment enjoyed on Earth.
When Chris Cwej and Trofim Alkimovitch were investigating oddities at CERN in 2016, one of the extradimensional culprits they discovered was a cloud of German measles led by a bacterium wearing a grey Prussian uniform with a skirt and revealing pink underwear. Alkimovitch later recounted Cwej saying that "if this was descending toward anime, things could get very sticky." (PROSE: The Weasels and the Warpfield)
After Larles let slip to Linda Meadows that she had met a time sensitive named Yanna, Larles pretended that Yanna was just a character from an anime she liked. (PROSE: The PsyCon Prediction)