kotoka_torahime_(1st_costume)
The default school uniform costume of Nijisanji EN's Kotoka Torahime.
It consists of a black collared shirt, blue plaid pleated skirt, loafers, a two-tone jacket (black and pink), blue necktie, asymmetrical legwear (single black thighhigh and black sock), thigh strap, and a pink belt.
Her accessories include headphones, necklace, lightning bolt and X hair ornaments, and hair and wrist scrunchies.