karen (artist), kirara (yoru ga kuru!), miwazaka manami, nanaogi kyouka, yoru ga kuru!, game cg, 00s, 3girls, arm up, armpits, bikini, black hair, blonde hair, blue eyes, blunt bangs, blush, bracelet, building, city, cloud, competition swimsuit, day, embarrassed, flat chest, floral print, flower, frilled thigh strap, hair ribbon, hand on own hip, highleg, highleg bikini, hip focus, inflatable raft, innertube, jewelry, light rays, long hair, multiple girls, navel, one-piece swimsuit, open mouth, print bikini, ribbon, shading eyes, shark, sky, sports bikini, standing, sunbeam, sunflower, sunglasses, sunlight, swim ring, swimsuit, thigh strap, twintails, wavy hair, window