Return of the Swallow - Chapter 531.2: Xiyue

On a normal boring day, a message appears, inviting him to a Tutorial.

“We campaigned for a century, prevailing against all obstacles. The sole exception being the Marshal, who could not be defeated…… the military fame of the Marshal endures, yet the Alliance has been utterly crushed. From this day forth, all the glory belongs to the Marshal, himself.”

As the Alliance government that stood for a thousand years crumbled, the Galactic Empire rose into power. The supreme military leader of the Alliance, Gavin Silla, refused to surrender and chose to fight to the death for his nation.

“Your Majesty, in the Age of Old Earth, mint blossoms were believed to be an omen for reunion. In the language of flowers, it means—

—hoping to see you once more.”

- Description from Novelupdates

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

The moment when mercenary leader Kwang Hwi receives video game like abilities, the world is suddenly thrown into chaos. A thick fog envelops the Earth, bringing with it savage, otherworldly monsters. At the same time humanity has been rendered defenseless against this onslaught, as the strange fog turns most weapons to rust. With mankind spiraling towards oblivion, it is up to Kwang Hwi, with his new abilities, to save the world. Watch as Kwang Hwi leads his militia and becomes the last bastion of humanity. Will he be this world’s savior, or its conqueror?