HAPPY CIRNO DAY! - i remade cirnos perfect math class for cirno day #2

HAPPY CIRNO DAY! ⑨ (don’t copyright me pls) this only took 4 days to make, but i gave myself 9 days to make this. song- (all the characters in the video don’t belong to me, all rights to Team Shanghai Alice/ZUN, and the video doesn’t belong to me, i made a brief recreation of it.)