cirno day

Works created to celebrate Cirno on September 9 (⑨ Day).
Often includes a reference to the date somewhere in the image or commentary.

See also

• Kaguya Day (8th September)
• Koishi Day (14th May and 14th June)
• Nazrin Day (20th July)
• Satori Day (10th March)

• Tag group:Holidays and Celebrations