The second costume of Nijisanji's Koshimizu Toru, as seen in post #6516973.
Her second outfit consists of a black camisole, necklace, slightly off-shoulder long-sleeved white jacket with a breast pocket on her left side and the sleeves covering her hands, black skirt, thighlet worn on her left thigh, purple socks, and low-cut white sneakers.
Her alternate hairstyle is a messy medium-length style with a single braid to her left and exposing her ear, plus a visible ahoge.
This tag implicates koshimizu_toru (learn more).