1girl, ahoge, aircell, alternate_costume, arms_behind_head, bikini, black_bikini, black_hair, blush, breasts, collarbone, colored_inner_hair, cowboy_shot, hair_between_eyes, honkai_(series), honkai_impact_3rd, large_breasts, long_hair, looking_at_viewer, multicolored_hair, navel, open_mouth, ponytail, red_eyes, red_hair, seele_(alter_ego), seele_vollerei, simple_background, skindentation, solo, stomach, swimsuit, thigh_strap, very_long_hair, white_background