A digital card game for smartphones, released in December 2019 in Japan and early 2020 worldwide. A PC version was available through Shiftgames for Japanese users from March 30, 2020 to December 23, 2020. The game ended its service on June 30, 2023 (JP, at 12:00 JST) and June 29, 2023 (EN Worldwide, at 20:00 PDT).