natsuki (sunmanday), pixiv festa, bad id, bad pixiv id, highres, painting (medium), traditional media, watercolor (medium), 2girls, androgynous, bag, barefoot, black hair, blue eyes, blue sky, blue theme, brown hair, caustics, child, cloud, day, dock, docks, facing away, feet, foot dangle, from below, from side, looking afar, looking up, multiple girls, ocean, outdoors, pier, reverse trap, shirt, short hair, short sleeves, sitting, sky, slice of life, smile, soles, t-shirt, toes, water, white shirt