Kyouichi suspects one of his fans is having trouble getting by, so he asks Makoto to go check in on her and her young son. Makoto’s mother takes an unexpected interest in the situation as well, and they find there’s more going on than meets the eye.

The members of the G-Boys are hired to act as bodyguards to a group that opposes ethnic discrimination that is against an opposing group. However, Makoto gets roped into another job about places run by foreign ethnicities are being harassed.

A woman abruptly commissions Makoto to get revenge for an attack that crippled her brother. But the "beast" who attacked him hardly seems savage, so Makoto decides to dig a little deeper on this case.

As tensions rise between the G-Boys and the Red Angels, Makoto finds himself mediating from the middle as usual. But this time the situation is different, and the stakes become much higher than they've ever been.

Now on the run from most of his former friends, Makoto has to use all the resources he has left to piece together who's causing so much trouble in Ikebukuro. Chances are, it's the same one who seems to have a personal grudge against him.