The official costume worn by Hololive members during 3D streams during the Christmas season, first introduced on December 2021.
It consists of a red Mini Santa Hat with the Cover corp logo, a Red Choker witn a Neck Bell, a short red fur-trimmed off-shoulder Santa Dress (although it's sometimes depicted as a Strapless Dress with Detached Sleeves), a Black Belt with Gold Chains and the buckle shaped after the Cover logo, Red Thighhighs and white Fur-Trimmed Boots.
On 2024, a white version of the costume was revealed.