umise yotsuha (1st costume)
The default outfit of Nijisanji's Umise Yotsuha, as seen in post #5210007 and post #6288367.
Her default outfit consists of a yellow shirt, yellow skirt, purple necktie, black vest, differently-colored socks (orange on left, black on right), white sneakers, yellow jacket, and a pouch bag slung to her right. She also has a smartphone with a purple strap and an astronaut accessory.