Blue Soul (Book 2)
Sent to hunt down the son of Satan, Death the Kid joins True Cross Academy after passing the test at Ouran Academy. There, he takes classes with the other students, joined by his friends; the host club and the D.W.M.A students. Together they work to find out about the son of Satan, but little do they know, the son of Satan actually wants to find out more about the son of Death. When Satan possesses Hauhi Fujioka, both the sons of Satan and the son of Death join forces to kill Satan once and for all.
( book 2, Fanfic crossover between Host Club, Soul Eater and Blue Exorcist.)