Celebrate 9.9 And 9th Anniversary Of "Cirno’s Perfect Math Class" With Alternate Edition Music Video
A popular element of doujin bullet hell shooter turned phenomenon Touhou Project is IOSYS’ “Cirno’s Perfect Math Class,” the music video story of a dim ice fairy’s education. It’s turning 9 years old (part of the gag, ⑨. バカ, lit. “9. Idiot”) and IOSYS is preparing to celebrate. Continuing the festivities, on 9.9, IOSYS postered their ninth anniversary alternate edition of the music video.
An anniversary project is online at http://maru9.jp/ with details about the merchandise, concert and more