aizono manami (6th costume)
The sixth costume of Nijisanji's Aizono Manami, as seen in post #6594533. In contrast to most of her past costumes that were done by her artist Itolife, this was done instead by Momoshiki Tsubaki.
Her New Years costume consists of a black floral print kimono, pink hair bow, pink obi, pink hakama with a similar floral print, white socks, and black footwear.