1girl, arm_up, bcag., blue_one-piece_swimsuit, covered_navel, flat_chest, genshin_impact, gradient_hair, green_eyes, green_hair, grey_hair, innertube, long_hair, looking_at_viewer, multicolored_hair, nahida_(genshin_impact), one-piece_swimsuit, pointy_ears, school_swimsuit, side_ponytail, simple_background, solo, swimsuit, thighs, two-tone_hair, white_background