shikairo_days
The opening theme of Shikanoko Nokonoko Koshitantan.
Went viral when the theme was combined with a later scene in the show involving the main character Koshi Torako dancing while a 3d deer is staring at her.
External Links
* YouTube: TVアニメ「しかのこのこのここしたんたん」ノンクレジットオープニング映像『シカ色デイズ』
* KnowYourMeme: My Deer Friend Nokotan / Shikanoko Nokonoko Koshitantan