Yes they are real.
Yes they are the school that Count Dante foolishly stormed... and got his best friend killed and himself tossed in jail for it. (Where he died)
Thier system is probably a form of Bando or a Bando/CMA hybrid. It is not the most sophisticated system, but yeah, they can fight.
Back in the day these guys played real hard. I don't know any of the current ones or what they are up to.
They certainly acted like a cult. I wento check them out once, and they tried all kinds of cheesy loyalty/mind tricks. They spy on you too. Funny stuff.
"Never interrupt your enemy when they are making a mistake."
--- Napoleon
"MonkeySlap is a brutal b@stard." -- SevenStar
"Forgive them Lord, they know not what MS2 can do." -- MasterKiller
"You're not gonna win a debate (or a fight) with MST. Resistance is futile." - Seven Star