kousonsan (koihime musou), shuutai (koihime musou), sousou (koihime musou), koihime musou, shin koihime musou, anime screenshot, 6+girls, ahoge, beach, bikini, bikini skirt, blue bikini, blue one-piece swimsuit, blunt bangs, braid, day, glasses, green hair, hair down, hair intakes, high ponytail, long hair, multiple girls, octopus, one-piece swimsuit, outdoors, palm tree, pink bikini, ponytail, purple bikini, raised eyebrows, red bikini, standing, string bikini, striped bikini, striped clothes, surprised, swimsuit, tentacles, topless female, tree, twin braids, v-shaped eyebrows, very long hair, wardrobe malfunction, white bikini