The novel written by Adrien in the series, under the pseudonym Mody, was released in bookshops on 7 September 2022. The actual novel, although also credited to Mody and featuring Nicolas Duvauchelle's picture as the author's picture, was written by Gabriel Katz.
Was initially conceived as a mini-series of three roughly 50 minute episodes, half the length of the final product.
There is one mid-credits scene and a final after-credits image.