komatsu eiji, highres, 2girls, :o, all fours, armpits, artist name, ass, blue eyes, blush, braid, breast press, breasts, fukumizu, green eyes, hair between eyes, hair ribbon, hair spread out, hand on another's shoulder, hand on own face, head rest, kickboard, kneepits, light particles, light rays, long hair, looking back, lying, mecha musume, medium breasts, multiple girls, on side, one-piece swimsuit, one-piece tan, open mouth, parted bangs, pink hair, pool, poolside, profile, purple hair, purple school swimsuit, ribbon, school swimsuit, short hair, short twintails, side braid, small breasts, smile, sparkle, strap pull, sunbeam, sunlight, swimsuit, tan, tanline, taut clothes, taut swimsuit, thigh strap, thighhighs, twintails, water, white one-piece swimsuit, white school swimsuit, yuri