1girl, black_hair, clothes_writing, collarbone, cosplay, enjaku_izuku, flat_chest, gundam, gundam_suisei_no_majo, helmet, kantai_collection, looking_at_viewer, maru-yu_(kancolle), noto_mamiko, one-piece_swimsuit, prospera_mercury, prospera_mercury_(cosplay), school_swimsuit, short_hair, solo, swimsuit, upper_body, voice_actor_connection, white_one-piece_swimsuit