Heartbroken

Marinette Dupain-Cheng is a bright,lovely and kind girl,she was a friend of Adrien Agreste,a kind,handsome and gentle popular boy

But the pathetic her,fell in love with him,and when the day that Marinette confessed to him,he rejected her and told her that she was in love with someone else,but they stayed as friends,but after that day,she never came back

2 weeks later,she came back,but she was different,she usually have midnight blue eyes,but now they are blank,white eyes,and it appears that she doesn't remember anything

Adrien knew it was his fault,
What happened to Marinette that changed her?
What will Adrien do as his alter ego?
And will the love square reverse?