"Hashire sori yo Kaze no you ni Tsukimihara wo Padoru Padoru~"
A meme based on a scene from "Fate/EXTRA Gekijou; Kikasete!! Blossom Sensei MerryChri-Hen" (TYPE-MOON Ace Vol.6 DVD "TYPE-MOON MOVIE Ace 2nd"), where Nero Claudius is dressed as Santa Claus and sings Jingle Bells in Japanese. https://www.youtube.com/watch?v=efdN69QscAg