ishikkoro, cirno, kochiya sanae, moriya suwako, yasaka kanako, touhou, 2girls, arms behind back, battle, bikini, blue hair, cameo, danmaku, frog, front-tie top, green eyes, green hair, hair ornament, hand on own hip, hood, hoodie, innertube, jacket, jacket over swimsuit, multiple girls, onbashira, open clothes, open shirt, purple hair, red bikini, red eyes, shirt, smile, snake, swim ring, swimsuit, thigh gap