The heroes plan a rescue of a child kidnapped by monsters, while Garou awakens deep underground.

On his way to hunt heroes, Garou dines and dashes at a restaurant, but is chased by Saitama.

Garou fights Insect God and King the Ripper, while Tareo gets kidnapped. Dr. Kuseno visits Saitama.

The heroes prepare for battle without Silverfang and Genos. Garou attacks the Monster Association.

Garou rescues Tareo but is struck by Overgrown Pochi, falling to Orochi and Gyoro-Gyoro.

Class-S heroes plan the Monster Association assault, but Amai Mask arrives and clashes with them.

Heroes arrive in Z City but face a monster ambush. A-class aids while Gyoro-Gyoro watches the fight.

Tempest Wind and Hellfire Flame, who were ninjas but are now monsters, battle with Flashy Flash.