love live! (series), love live! school idol project, natsuiro egao de 1 2 jump!, yazawa nico, nishikino maki, mirukixtotoko, 2girls, air bubble, bangs, barefoot, bikini, black hair, blush, breath, bubble, eyewear removed, feet, female, freediving, green bikini, green-striped bikini, hair ornament, holding breath, holding hands, in profile, jewelry, long hair, looking at another, multiple girls, nail polish, ocean, open mouth, pettanko, purple eyes, red eyes, red hair, short hair, skirt, striped, striped bikini, striped swimsuit, sunglasses, sunglasses removed, swimming, swimsuit, tied hair, twintails, underwater, yellow skirt, yuri