She his friend from his time. When he was in coma, she was next to him. Then, both fell through the window. It is a interesting paradox. She is the cause of the curse, but she is there because someone from brought her from the past.
At the beginning I thought it was going to be just another heavy ecchi manga without any other "plot", but the background is kind of good too. I'm really hooked up to see the end.
Noblesse had 10 years of good writing. With fun moments and a lot of action. If the author keeps this pace, it won't finish in 20 years. Probably he will drop it in two. The pace is bad and plot is losing focus. Who cares about the characters of quests when you have interesting characters from...
Dropped after that batgirl with her batbeetlemotocycle/ batbeetleflyingshitthing. As all the comments before, I also think the author is high or just lost.
@degenerateafro and @TheBoll
You guys are right. I used to read this manga on another platform and they used that colored image of Shin holding her for long time as the main cover in the website. Hopefully she won't die.