1girl, ahoge, bare_legs, black_hair, box, breasts, cake, chibi, cleavage, english_text, food, gift, gift_box, hair_ribbon, happy_birthday, holding, holding_cake, holding_food, honkai_(series), honkai_impact_3rd, looking_at_viewer, medium_breasts, multicolored_hair, october, official_wallpaper, red_eyes, ribbon, seele_(alter_ego), seele_vollerei, seele_vollerei_(starchasm_nyx), solo, star_(symbol), upper_body