1girl, aponia_(honkai_impact), aponia_(mesmerizing_blue), arm_support, barefoot, blue_eyes, breasts, butterfly_hat_ornament, cleavage, closed_mouth, feet, hat, hat_ornament, honkai_(series), honkai_impact_3rd, large_breasts, long_bangs, long_hair, looking_at_viewer, official_alternate_costume, outdoors, partially_submerged, soles, solo, swimsuit, ura_(hamburg_oniku), water, white_headwear