Director Nami Iguchi's film " Keep Your Left Hand Down" will premiere at Eurospace on Saturday, June 8th. Accordingly, on the same day, the ending theme "Children's Police - GOYO DA! feat. Ao & Waku" will be released for streaming. Featuring festival music, reggae, rumbling 808s, rap, and the sound of flutes, Ao and Waku of "Children's Police" come to life in this psychedelic and chaotic world. The lyrics were written by rapper ACE COOL, and the production was handled by Atsu Otaki. Jinmenusagi commented: "Even when the movie ends, it's too early to think you've witnessed the full exploits of the Children's Police. With the ending theme 'GOYO DA!' supervised by ACE COOL, listen and experience the further adventures of the Children's Police!"