Suzuran vs. Housen Edit
The showdown was huge and everyone had weapons, the police intervened and several people were arrested or severely injured . Between Housen's fighters, there was Makio Bitou, fighting unarmed and yet defeating several Suzuran's.
One of his punches broke Nakaii's ribs and it punctured his lungs. He died a bit later. 
Suzuran had to expel about 30 students after the fight, one of them was Kawaishi, who formed a small gang of about 20 members to avenge Nakaii and get Makio Bitou.
After the two tragic deaths, Katsuragi met with Housen's representatives and sealed a cease fire.