1boy, 3girls, baby, black serafuku, black shirt, black shorts, black skirt, blue sky, cloud, collared shirt, crescent, crescent hair ornament, crossed arms, day, dress shirt, family, father and daughter, female child, green eyes, green hair, hair ornament, height difference, if they mated, long hair, mother and daughter, multiple girls, outdoors, railing, school uniform, serafuku, shirt, shorts, siblings, sisters, skirt, sky, white shirt