A free nurse skin of Azur Lane's Unicorn, released in December 2022 and as seen in post #6141898. It consists of short white dress, open cardigan and white pantyhose.
It was originally an exclusive skin for the CN servers as part of a collaboration with Shanghai Blood Center, but it was ultimately released internationally on August 10, 2023 without the collab promotion.
This tag implicates unicorn_(azur_lane) (learn more).