1girl, absurdly_long_hair, adapted_costume, black_headwear, black_shirt, crop_top, cropped_shirt, flat_chest, grey_hair, hair_behind_ear, hechium, long_hair, navel, nijisanji, nijisanji_en, open_mouth, over-kneehighs, pink_shorts, pink_thighhighs, reimu_endou, shirt, shorts, sleeves_past_fingers, sleeves_past_wrists, smile, solo, space, stomach, striped, striped_thighhighs, thighhighs, very_long_hair, virtual_youtuber