I don't want to lose-Blue Exorsist

After that camping trip every one learns that the spawn of Satan is in the there academy,and I mean every one,even the parents of the teens who attand the school

So left with no choice,fight after fight he swears not to use his demon powers on any one who wanted to fight him,leaving the rumors to spears that the spawn of Satan is weak,and to top it all off every one calls him name and ridicules him and his friends hate his guts his brother just as wel