Pose: Advanced tea drinkers#2, 7 and 8 - Flowey [The Arcade: 1st December - 31th December]
Hair: Snuggle party - Clawtooth [Collabor88: 8th December - 6th January]
Skin: Lulu - Glam affair
Eyes: Stella eyes n4 - Glam affair
Lashes: Mesh lashes v.01 - Beetlebones
Top: Turtle neck basic sweater - Teefy
Pants: Hill - Coldlogic
Socks: Scrunched PrimSocks - Maitreya
Info on decor, here.
Creator info and SLURLs can be found on the Designer list page.