sakatsuki yakumo, original, commentary request, variant set, 1girl, animal, aqua neckerchief, barefoot, bird, black sailor collar, black skirt, blonde hair, blue eyes, blue sky, bob cut, closed mouth, day, empty pool, feet, fingernails, grey shirt, holding, holding hose, hose, looking at animal, neckerchief, outdoors, penguin, pleated skirt, pool, reflection, reflective water, sailor collar, school uniform, serafuku, shirt, short hair, short sleeves, skirt, sky, smile, solo, sparkle, squatting, toenails, toes, water, water drop