Concealed: The Hidden Power

"The earth where we live is like an illusion of the real world. You have to travel all way to a parallel world to gather the stone to save this world."
She was just an alonely orphan but suddenly she becomes part of the most influential family.
When the evil force which her ancestor has surpassed began to raise again a group of teenagers was given a task to defeat it again. All they have to do was find seven stones and unseal the hidden power.
However, will they even find the stone, awaken their power and save the world.
And mainly will they be able to shut the mouth of people saying.
"They are girls, can they even save themselves."