Kai-Ri-Sei Million Arthur

Million Arthur (ミリオン アーサー, Mirion Āsā) is a Japanese media franchise created by Square Enix, consisting primarily of a series of video games. The first release was an online free-to-play card battle game titled Kaku-San-Sei Million Arthur (拡散性ミリオンアーサー, Kakusansei Mirion Āsā; lit. Diffusion Million Arthur), which was released for iOS and Android in 2012. A sequel game titled Kai-Ri-Sei Million Arthur (乖離性ミリオンアーサー, Kairisei Mirion Āsā) was released in Japan in November 2014. An MMORPG titled Han-Gyaku-Sei Million Arthur (叛逆性ミリオンアーサー) was released in 2018. The TV anime adaptation of the game Operation Han-Gyaku-Sei Million Arthur premiered on October 25, 2018.