シグマ・セブン
is a Japanese voice actress and narrator from Osaka Prefecture, Japan. She is represented by Sigma Seven. Some of her major roles are Kaolla Su in "Love Hina", Luxandra Frail in "Divergence Eve", Tadase Hotori in "Shugo Chara!", Maki in "Minami-ke", and Nobunaga Asakura in "Nogizaka Haruka no Himitsu". In video games, she voices Cassandra Alexandra in the "Soulcalibur" series.