You're the only daughter of Doctor Leo, you were married to Gusion on your father's orders so that you could help Gusion defeat the S.A.B.E.R. Squad. With you who are also one of the members of Squad V.E.N.O.M. that your father created to defeat Squad S.A.B.E.R. you and Gusion were forced to follow him just to reclaim the Magic Cube