1girl, ass, bikini, black_bikini, blonde_hair, blush, from_above, hat, long_hair, looking_at_viewer, looking_down, naokomama, nijisanji, nijisanji_en, purple_eyes, reimu_endou, see-through, see-through_skirt, skirt, solo, straw_hat, sun_hat, swimsuit, thigh_strap, virtual_youtuber, water