High Card (stylized in all caps) is a Japanese multimedia franchise created by Homura Kawamoto, Hikaru Muno, and TMS Entertainment.

The project's theme is poker,[2] with everything from the title to the names of fictional locations referencing some form of playing card game.

[3] The royal family of the Kingdom of Fourland holds a secret deck of 52 "X-Playing cards", each of which bestow a superhuman power or ability to whoever uses them.

On June 9, 2021, it was announced that Homura Kawamoto, Hikaru Muno, and TMS Entertainment were working on a multimedia franchise, which include an anime television series.

[14] The series is produced by Studio Hibari and directed by Junichi Wada, with Kenichi Yamashita, Kazuhiko Inukai, Shingo Nagai, and Naoki Kuroyanagi writing the scripts; Nozomi Kawano designing the characters; and Ryo Takahashi composing the music.