Satan's Flames (a blue exorcist fanfic)

Lilith Cooper is a 17 year old girl who Lives in Australia but wants to experience another country. Her godfather, Mephisto Pheles has enrolled her into his school... True Cross Academy in Japan.
After trying to convince her Mother, Lilith takes matters into her own hands and decides to stay with Mephisto in Japan and study at True Cross Academy. but what will she be studying?