From Light to Dark, Good to Evil. (Evil! Kaname Kuran x Midnight Wind)

This is a story where Kaname Kuran meets Midnight Wind. They start spending time together, and then one day, something happens. Someone comes to curse Midnight, but Kaname jumps in the way, protecting her. What happens to Kaname? Will this mysterious person end up hetting Kaname to curse her or will he go off on his own? But one thing's for sure, Kaname will never be the same.