Sleeping beauty

Not anough with Yuu a normal human without magic become student with his companion grim NRC student found a girl sleeping in the hall of mirror and she was misteriously accepted in Diasomnia because her magic power was so large. But the things is she can't woke up from her sleep!! That's why Maleus borrowing Idia invention to ask her in person the reason but he end up knowing her miserable life instead.

How could Maleus help her to harness her own power and protect her from the one who want to kill her?