There's one moment where Hiro was on her way to visit Izana at the orphan and almost got raped by a gang .
Luckily , izana and shinichiro was rounding around at there on that time
His heart dropped the moment he saw her clothes almost got ripped by them .
Shin managed to chased those guy away even thought he got beaten up .
Same to Izana .
Because of the incident , Hiro was in trauma and couldn't able be to communicated almost two month
Locked herself in the room while stared at the ceiling for the whole day .
Wakasa cry for the whole month and keep blaming himself
But Shin and benkei comfort him
They decided to keep it as a secret which make Mikey and the others doesn't know any of this .
With that , Izana decided to haunted all of those guy back .
Manipulate and kill them one by one , he didn't even shred any mercy to them .
Not only them but he went for their whole family
Even the leader suicide himself by cutting his own throat .
He got send to the juvie for a moment which leave Hiro spend her whole time with Toman .
But not that long until he got released
Izana become the 8th generation president of Black Dragon . It was so bad cause they did violence , drugs and many more .
Hiro was disappointed but she still accepted him no matter what .
Somehow she started enjoying herself with using violence and many more
And got spoiled by izana and wakasa
For her , izana was like her second brother other than wakasa.
Izana was always busy with his work so she start to hanging out with the haitani brother .
She was closed with them
And one night where they decided to bring her around at the roppongi while beating the other gang .
They both were shocked when they saw her skill , she beat 50 people in one shout .
Her strength was almost the same level with izana except her stamina is quite strong
It was because she was trained since she was five .
Then she always examined ran and rindou movement , how they attack the enemy with using brick , baton and etc.
Everyone was having fun with the freedom they've got .
Until the first generation president black dragon was announced to be dead