2girls, ahoge, black_hair, breasts, building, cleavage, day, honkai_(series), honkai_impact_3rd, japanese_clothes, kiana_kaslana, kiana_kaslana_(void_drifter), large_breasts, logo, long_hair, looking_afar, multiple_girls, official_alternate_costume, official_wallpaper, on_rooftop, open_mouth, outdoors, raiden_mei, raiden_mei_(danzai_spectramancer), rooftop, school, smile, standing, white_hair