1girl, ahoge, alternate_costume, ass, azur_lane, black_sailor_collar, black_thighhighs, blue_hair, brown_footwear, brown_skirt, closed_mouth, curtains, frown, helena_(azur_lane), hugging_own_legs, hurria, knees_together_feet_apart, loafers, long_hair, long_sleeves, looking_outside, neckerchief, pensive, pigeon-toed, purple_eyes, reflection, reflective_floor, sailor_collar, school_uniform, shiny_floor, shirt, shoes, sidelocks, sitting, skirt, solo, swept_bangs, thighhighs, thighs, very_long_hair, white_shirt, window, yellow_neckerchief