juufuutei raden (1st costume)
The default costume of hololive DEV_IS's Juufuutei Raden, as seen in post #6682202.
It is gothic lolita in theme and consists of an asymmetrical frilled green dress with long sleeves, black gloves, optional black capelet with a Yatagarasu print, white thighhighs, and black high heels. Her version of the ReGLOSS unit costume consists of a black bodysuit, white tank top, red necktie, white pants with a side slit to her left side, and white thigh boots.