1girl, alternate_costume, bare_shoulders, barefoot, black_nails, breasts, brown_hair, closed_mouth, collarbone, covered_navel, cup, curtains, drinking_glass, flower-shaped_pupils, gengetsu_aya, genshin_impact, highleg, highleg_leotard, holding, holding_cup, hu_tao_(genshin_impact), indoors, legs, leotard, long_hair, looking_at_viewer, medium_breasts, nail_polish, night, night_sky, piano_bench, pouring, pouring_onto_self, red_eyes, red_leotard, sidelocks, sitting, sky, solo, star_(sky), starry_sky, strapless, strapless_leotard, symbol-shaped_pupils, thighs, toenail_polish, toenails, toes, twintails, very_long_hair, wet, window