1girl, 2boys, animal_ears, beach, bikini, black_eyes, black_hair, blonde_hair, brown_eyes, brown_hair, cat_ears, closed_eyes, flying_sweatdrops, glasses, glasses_boy_(osomatsu-san), holding_hands, innertube, kemonomimi_mode, kl, matsuno_ichimatsu, messy_hair, multiple_boys, ocean, osomatsu-san, own_hands_together, short-haired_girl_(osomatsu-san), short_hair, smile, swimsuit, tail, tears, trembling, turn_pale, yellow_bikini