shikyou yoru, perlica (arknights), arknights, arknights: endfield, absurdres, commentary request, highres, 1girl, :|, alternate costume, animal ears, bird ears, bird girl, black dress, blue eyes, chair, chalkboard, chromatic aberration, closed mouth, crossed arms, curtains, desk, dot nose, dress, expressionless, film grain, grey hair, hair intakes, head rest, light blush, looking at viewer, medium hair, panties, pantyshot, school chair, school desk, see-through curtains, sitting, solo, three-quarter sleeves, underwear, white panties, yellow pupils