1girl, ball, beachball, bikini, black_hair, blue_bikini, blue_sky, breasts, cleavage, day, genshin_impact, green_eyes, hat, long_hair, looking_at_viewer, mona_(genshin_impact), outdoors, sky, slime_nyang, small_breasts, solo, sun_hat, swimsuit, thigh_strap, twintails, wading