MTL - Guardian of Douluo - Chapter 26

An alien race invaded the Earth on June 6, 2128. At the midst of this war, many nations allied with the alien threat and the war nearly wiped out the rebelling humans of the planet. At the edge of mankind's survival, the United Nations Army launched its forces to eliminate the immediate stellar threats that loomed over Earth.

General Seeker Carlean, commander and leader of the mission, risked and gave his life to destroy the immediate stellar threat. The battle was won though Earth lay in ruins. Perhaps mankind will live to see a few years of peace before the alien threat returns to wipe out their existence.

At the immediate aftermath of the stellar battle, the fallen Seeker Carlean awakens and finds himself at aged 17, living the peaceful life he lived 16 years before he died.

So begins a new game in the battle for humanity's survival.

"Who touched you?" he asked, his eyes brooding down at her and when she didn't answer, his voice thundered in the room, "WHO?"

On her wedding day, she was humiliated; her status as the legitimate wife was instantly changed into that of a concubine.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.