la pluma (arknights), arknights, absurdres, commentary, highres, 1girl, alternate costume, black feathers, black hair, black skirt, blue eyes, blush, book, collared shirt, cup, cushion, diagonal-striped clothes, diagonal-striped necktie, drawer, drinking glass, feather hair, feathers, gradient feathers, hair ornament, hairpin, indoors, juice, looking at viewer, lying, miniskirt, necktie, on side, open mouth, orange juice, paper, pleated skirt, red necktie, school uniform, selene (yechan1245), shirt, short hair, short sleeves, skirt, socks, solo, striped clothes, thighs, white shirt, white socks, zabuton