This image is unavailable on Danbooru. Go to Danbooru or disable safe mode to view (learn more).
Artist's commentary
I have trouble painting this because it's wriggling around.
From Fuyuinu_(to10hiki)'s tweet (1:58 AM - 13 May 2014 [JST])
Fuyuinu_(to10hiki) is Furuike_Kawazu_(utsura_utsuro)'s sub account.