dancing_kasukabe_tsumugi_(meme)
A meme based on a looping animation of Kasukabe Tsumugi dancing, where she sways and points from side-to-side. The original loop was created by Sano (chappy) and was inspired by a previous animation that used Kizuna Akari.
External Links
* 【修正版】おどる春日部つむぎ BB素材+使用例 (Niconico)
* Niconicopedia article on the video