a recurring character in Cardfight!! Vanguard (V Series Anime). She is Aichi's younger sister and has an interest in Vanguard who has yet to be seen playing. During the events of Cardfight!! Vanguard Extra Story -IF-, in which history is distorted by Aichi not receiving Blaster Blade from Toshiki Kai, this version of Emi is a magical girl part of the Blaster Pair serving as the series' main protagonist.