katagiri hinata, orito riru, serizawa yuika, harukoi otome, harukoi otome ~otome no sono de gokigenyou~, game cg, 00s, 2girls, :d, :o, bamboo, blush, brown hair, covered navel, drill hair, dutch angle, green hair, heart, light rays, multiple girls, one-piece swimsuit, open mouth, orange eyes, own hands clasped, own hands together, perspective, pool, poolside, purple eyes, school swimsuit, smile, sunbeam, sunlight, swimsuit, tile floor, tiles, window