Saber Lily-like variant of the alternative version of Ruler (Jeanne d'Arc) from Fate/Apocrypha, featuring Santa Claus like Santa Alter. Only difference is she is younger compared to the original. Is fond of calling her Master "Reindeer-san" (Tonakai-san).
True Name: Jeanne D'Arc, aka Joan of Arc
Voice Actress: Sakamoto Maaya
This tag implicates jeanne_d'arc_(fate)_(all) (learn more).