The attack on the city hall enters its second phase. Subaru and Crusch breach the interior, but there they are awaited by Capella, who has some sneaky tricks up her sleeve...

Bishop Regulus of the Seven Deadly Sins wants to force Emilia to marry him, even though he already has hundreds of wives. While he is having the wedding hall prepared, Subaru and the others are planning to rescue Emilia and reclaim the city...

Through a Witch's Cultist's conference mirror, Emilia tells Al where the Sin Archbishops are and asks him to protect Beatrice. Al relays Emilia's message to Subaru, and the gang begins to devise a strategy to win back the control towers.

Subaru and the others hold a meeting in the city hall to develop a strategy against the four Sin Archbishops. However, Emilia is slowly running out of time...

While the others deal with the other Archbishops, Subaru puts his plan to stop Regulus into action.

Emilia seeks the aid of Regulus's wives in dethroning the little king once and for all.