inoue sora, hishinuma nanako, mitsurugi ryouko, yuuki hitomi, real bout high school, artbook, scan, scan artifacts, 2girls, adjusting eyewear, beach umbrella, bikini, blue hair, blush, bracelet, breasts, brown eyes, brown hair, chain-link fence, chair, choker, criss-cross halter, crossed legs, fence, glasses, hair over one eye, halterneck, holding, holding removed eyewear, jewelry, large breasts, long hair, multiple girls, navel, no eyewear, one-piece swimsuit, open mouth, outdoors, pince-nez, ponytail, pool, poolside, school, school swimsuit, sitting, sunglasses, swimsuit, umbrella, unworn eyewear, water, yellow eyes