Why Hello there... I'm Corona Mcervier and I am a ghost... I have one goal, and that is to become mortal again. I have a list of people who I need to go after in order for that to happen...

List and level of difficulty:

Lucy Heartfilia (1)
Nashi Dragneel (2)
Asuna Yuuki (3)
Sinon (4)
Mikasa Ackerman (5)
Green Diamond (6)
Lea Walker (4)