The lyrics tell the story of Ai Hoshino, the series' central figure, describing her "perfect lie." The complexity of the lyrics—switching between praise and the darker reality of the character—is exactly what leads to the misheard phrases like the one in the search query.
The phrase you provided seems to be a misheard or approximate transcription of the Japanese lyrics from the show's iconic opening theme.
: It is frequently identified by community members as a "hentai" or fan-made adult animation rather than a mainstream TV anime series.
: A video where someone asks for the name of an anime, and the response is simply the full gibberish phrase ending in "de nada."
However, based on similar phrases I’ve seen in fan communities and music discussions, this might relate to a fictional or lyrical context, perhaps from a vocaloid, anime, or independent music track.