Now he works on his own cases , and he wants to find the arsonist .
He used to be Shima - san ( Yoshitsune 's father ) 's partner before Shima - san died .
Now Shima - san works on Shima - san 's own cases , and he wants to find the arsonist .
He used to be Shima - san ( Yoshitsune 's father ) 's partner before Shima - san died .