Level 5 announced the Yōkai Watch franchise in 2011 with a game, manga, and anime already planned.
Yōkai Watch 3 launched for Nintendo 3DS in two versions — Yōkai Watch 3: Sushi and Yōkai Watch 3: Tempura — in July 2016.
The official website for the Yōkai Watch franchise’s films and games announced a new anime film and the full title, release date, and a new promotional video for the Yōkai Watch 4 Nintendo Switch game on Thursday.
Eiga Yōkai Watch: Forever Friends, the franchise’s fifth anime film, opened in Japan on December 14.