1girl, ahoge, aoi_rando, ass_visible_through_thighs, bikini, blue_sky, brown_eyes, cloud, day, feet_out_of_frame, front-tie_bikini_top, front-tie_top, genderswap, genderswap_(mtf), long_hair, onii-chan_wa_oshimai!, outdoors, oyama_mahiro, palm_tree, pink_hair, side-tie_bikini_bottom, sky, solo, swimsuit, tree, v, white_bikini