sy509, dusk (arknights), nian (arknights), arknights, commentary, english commentary, highres, 2girls, alternate costume, aqua bow, aqua bowtie, aqua hair, aqua skirt, beads, black hair, black skirt, black socks, black sweater, black thighhighs, border, bow, bowtie, brown cardigan, brown shoes, buttons, cardigan, closed mouth, collared shirt, colored inner hair, copyright name, dragon girl, dragon horns, dragon tail, expressionless, full body, hand on own hip, holding, holding notebook, horns, kneehighs, light blush, light smile, loafers, long hair, long sleeves, looking at viewer, miniskirt, multicolored hair, multiple girls, multiple views, notebook, open cardigan, open clothes, orange eyes, outside border, pink eyes, pleated skirt, pointy ears, ponytail, red bow, red bowtie, red hair, school uniform, shirt, shirt tucked in, shoes, short hair, short sleeves, siblings, sidelocks, sisters, skirt, sneakers, socks, standing, streaked hair, sweater, tail, thighhighs, unbuttoned, white border, white hair, white shirt, white shoes, white thighhighs