Unfortunate key to heaven

"I'm feeling things I didn't know I would and I'm becoming someone that I didn't know I would be"~

You as the oldest of the Hyakuya orphanage are awaited by hard and difficult obstacles, which you have to overcome or else you will die. In this chaotic and destroyed world of humans and vampires is there any hope at all? And what happens when you meet someone who changes on how you feel towards yourself and everyone else?

So this is my first story that I have ever written and I hope you will come to enjoy it a bit.
This fanfic is pure fantasy. All the characters of owari no serpah apart of the reader and her demon belong to its creator. My written story will also more or less differ from the original story, of course.
Also English is not my first language, so yeah I apologise there will be some grammatical disasters.

READ THE TAGS!!! YOU'VE BEEN WARNED!!!