Kaburagi uses his hard-won prize to return to Deca-dence. However, without his old account, he finds himself an outsider in his own life. With everything that’s changed, Natsume and Kaburagi each come to a realization about their future.

The new Gadoll crosses paths with Deca-dence, but the system underestimates its capabilities. Kaburagi is faced with an important decision, but will it mean losing his relationship with Minato?

It’s a race against the clock to defeat Gadoll omega. However, even if Jill’s plan to use Deca-dence as an avatar works, the fortress main weapon is in shambles. Will Kaburagi and Natsume find a way to defeat omega and save Deca-dence?