setsuna_(2nd_costume)_(nijisanji)
The 2nd costume of Nijisanji's Setsuna (nijisanji), as seen in example post #3349766.
For Game Day on December 14, 2018, she was given a white jacket, light blue shirt, blue neck ribbon, blue pleated plaid skirt, and her hair is done in a single hair bun tied to a blue hair scrunchie.