pepe (jonasan), laura bodewig, orimura chifuyu, orimura ichika, infinite stratos, silver hair, highres, 10s, 1boy, 2girls, ball, barefoot, bikini, black hair, blush, breasts, brother and sister, brown eyes, cleavage, day, eyepatch, flat chest, hand on own hip, hip focus, large breasts, legs apart, long hair, medium breasts, multiple girls, navel, outdoors, siblings, side-tie bikini bottom, smile, swimsuit, thigh strap, twintails, volleyball (object), volleyball (sport)