nikki rei (nikki 1.0)

The original costume of Idol Corp's Nikki Rei, as seen in Danbooru post #5189090, which she used until her redebut.

In this outfit, she wears a blue long-sleeved jacket, a white tucked in collared shirt, black fingerless gloves, black shorts with a black belt, red and blue thighhighs and grey shoes.

This tag implicates nikki_rei (learn more).