gomennasai, original, commentary request, highres, 2girls, :d, barefoot, beach, black hair, black sailor collar, black skirt, blue sky, blush, breasts, brown eyes, cloud, day, eye contact, floating hair, holding hands, horizon, long hair, looking at another, looking to the side, multiple girls, neckerchief, ocean, open mouth, outdoors, pleated skirt, red neckerchief, running, sailor collar, sand, school uniform, serafuku, shirt, short sleeves, skirt, sky, small breasts, smile, teeth, upper teeth only, water, white shirt