Written by Kamen Rider OOO's secondary writer Nobuhiro Mouri, and directed by main Kamen Rider OOO series director Ryuta Tasaki, OOO 10th: Kamen Rider Birth - Birth x Birth Secret Episode is set to premiere this summer, exclusively on the Toei Tokusatsu Fan Club (TTFC). Lastly, as previously reported, this spin-offs theme song is titled "Anything Goes! Happy 10th ver." by Eiji Hino x Ankh x Hina Izumi. The full version of this song will be included in the Kamen Rider 50th Anniversary SONG BEST BOX.