1girl, bikini, bikini_skirt, blue_eyes, blue_sky, breasts, caisena, cleavage, closed_mouth, cloud, cloudy_sky, elf, elysia_(honkai_impact), elysia_(miss_pink_elf)_(honkai_impact), frilled_bikini, frills, headband, honkai_(series), honkai_impact_3rd, leaning_forward, outdoors, pink_hair, pointy_ears, ponytail, sky, smile, solo, swimsuit, white_bikini