athlon, athlon-tan, os-tan, black legwear, blue legwear, 3girls, age difference, ahoge, aqua eyes, aqua hair, blunt bangs, blush, bobby socks, bow, braid, buruma, character name, flat chest, full body, green eyes, green hair, gym uniform, hair bow, hair over shoulder, head rest, head tilt, holding another's arm, light smile, long hair, looking at viewer, multiple girls, peeking, shirt, shoes, short hair, short sleeves, simple background, smile, socks, standing, thighhighs, twin braids, uwabaki, very long hair