The World Government's conquest operations had always been carried out simultaneously in both the Human Realm and the Underworld.
The force responsible for this operation was the Eternal Calamity Legion of the Underworld Army Headquarters.
Its legion commander was Zohakuten, a newly promoted Vice Admiral.
Although he had Akaza, Goketsu, Nyan, and others under his command,
In terms of overall strength, the Eternal Calamity Legion ranked near the bottom, roughly on par with the Winter Legion.
It couldn't be helped. The Underworld simply did not have that many powerful fighters at the moment.
Fortunately, the Gintama Underworld was even weaker.
Although it had official organizations led by successive emperors and shoguns,
They were utterly incapable of stopping the Eternal Calamity Legion's invasion through the Styx.
In just three days, major cities such as Kyoto, Edo, Kamakura, and Nara had already been captured.
Inside the Honmaru Palace of Nijō Castle.
Armin Arnold stood before the window, gazing at the gray, overcast sky outside.
He wore a tailored dark green suit that accentuated his tall, slender figure.
His gentle azure eyes remained unchanged,
But his formerly ear-length hair had already grown down to his waist.
It made him appear even more handsome and mature.
Anyone meeting him for the first time would feel favorably inclined toward him.
There was not much to look at in the sky outside.
It was always that gloomy shade, as though rain were about to fall but never did.
Yet Armin still liked looking at it, whether in the Sea Star Underworld or this Gintama Underworld.
It helped people calm down and sort through their tangled thoughts bit by bit.
At that moment, he recalled the day he died.
His lungs had felt as though they were burning, and every breath had cut like a knife.
His