The trend originated in China when TikTokers began mimicking the dance. The song and the associated clip of Zero Two appeared in popular memes.

Where does the character Zero Two come from?

History. Zero Two was created by Dr. FRANXX out of the Klaxosaur Princess's DNA. Many specimens like Zero Two herself were born but failed to survive; making her the only successful human-klaxo sapiens hybrid. Dr. FRANXX also created clones using Zero Two's cells; the 9's, but they didn't inherit the Klaxosaur blood.

Where is Hiro and Zero Two?

Hiro and Zero Two die in the process of defending Earth from VIRM, and the series ends with the two of them meeting again as children, having been reincarnated on Earth, where the human race is now thriving again.