Do you know how to stop the rain?

The rain of flowers cleans up the sky, and the music decorates it with a rainbow～♪♫
1. DEEMO Ⅱ collab music pack [Ensemble Arcanum] is available! Unlock it to obtain 5 new songs, 1 brand-new title screen, 1 collab illustration, and 1 collab theme BG [Flower Rain]~
2. [Achromic Riddle] is added with a hidden sheet. Tap the difficulty button rapidly to unlock it（*๑ U 3 U）