kobayashi takashi, inko no tsubasa, inu no nana, tenshi no shippo, official art, 2girls, age difference, aqua hair, barefoot, bath, black one-piece swimsuit, black school swimsuit, blue hair, blush, breasts, brown eyes, closed eyes, collarbone, flip-flops, hand on another's head, holding, leaning forward, long hair, medium breasts, multiple girls, one-piece swimsuit, open mouth, puddle, sandals, school swimsuit, scrunchie, shower head, showering, standing, strap slip, striped clothes, striped one-piece swimsuit, swimsuit, twintails, unworn sandals, wet, white one-piece swimsuit