The default costume of Nijisanji's Rindou Mikoto, as seen in post #6614168.
It consists of an off shoulder short fur-trimmed purple kimono with long wide sleeves reaching past her fingers decorated with pom poms and an o-ring chest harness connected to a black collar underneath, a black obi with a large bow forming a pelvic curtain, a purple shimenawa ribbon tied into a thigh strap white tabi with black socks over them and black okobo.
Her hairstyle is short hair with long locks with crossed bangs reaching between her eyes, sidelocks held with black hair tubes, and a large crescent hair ornament with hairpins and a purple ribbon.
This tag implicates rindou_mikoto (learn more).