Just A Protector (ON-GOING)

Eycee Yaxie Tolentine a mysterious type of girl,just because she help the grand father of Xendrixc Axce Sweden everything change from being a mysterious normal girl with her three childhood friend she became a coolest mysterious protector of the family Sweden's,no matter what happen she always said this to the man who love her "I can die for you,but I can't love you because i am just your protector no more no less"

Is she can do what she promise?
Or she will BROKE it because of WHAT THEY CALLED LOVE..