1girl, armpits, arms_behind_head, arms_up, bad_pixiv_id, bare_shoulders, bikini, blue_hair, blue_sky, blush, breasts, cleavage, green_bikini, highleg, highleg_bikini, hozuki_kaede, koucha_maru, large_breasts, long_hair, looking_at_viewer, navel, onii-chan_wa_oshimai!, pink_eyes, pink_hair, sidelocks, sky, smile, solo, swimsuit, underboob