Blu-ray release of the theatrical feature "Fuuto PI: The Portrait of Kamen Rider Skull." In 2022, "Fuuto Tantei" became the first series in "Kamen Rider" history to be animated as a legitimate sequel to "Kamen Rider Double." This product also includes a bonus anime "Oshiete Oyassan," which was shown only in theaters. The film depicts the encounter between the two and the "whole story" of the birth of "Kamen Rider Double".