According to the information brought by Natsume who suddenly appeared together with Katai, Dostoyevsky has established his lair in the disused tunnels underneath Yokohama.

Under Dazai's direction, Atsushi and Akutagawa cooperate to carry out an infiltration...

But as the pair squabble, the Virus Ability user Pushkin and Dostoyevsky's servant Goncharov appear manacingly before them. Can Dostoyevsky really be brought down by just two people?

The "cannibalism" conflict is finally resolved!