MTL - History’s Strongest Senior Brother - ~ 1767. The strongest killing matchup!

Tenjou Yuuya has been a bullied boy since the past.He lives in the home of his beloved grandfather while he goes to school. As usual, he receives a harsh bullying, and he takes an extended absence from school to have some time to heal his wounds.While on this long time of absence, he takes the opportunity to clean his grandfather’s house and goes to a room he never went before, where his grandfather keep many different objects that he gathered from his travels around the world. While he was arranging the objects, he found a door not on a wall among the objects.Out of curiosity he opens this door, what he found on the other side was…

One day, Su Qi suddenly discovers he has a peculiar ability: he can see Easter eggs hidden in the world around him.These aren’t just bits of extra information; by performing specific actions, he can unlock hidden rewards.While everyone else is fleeing in terror from a vengeful female ghost, Su Qi is already setting the table for a candlelit dinner, chatting amiably with her.[You acquire her husband's hat, a mysterious artifact that, when thrown, locks onto enemies and delivers a devastating mental shock.]When zombies overrun the streets, and survivors scramble for axes and kitchen knives, Su Qi confidently strides in, wielding a sound system in one hand and a heavy-duty machine gun in the other, casually clearing out the neighborhood.[No one can defeat me in my BGM.]This is the Abyss—the birthplace of despair and decay, where worlds crumble under fear and madness.This is also a paradise where countless seekers pursue the footsteps of gods.Myths of the past and epics of the future are written here in grand and tragic splendor.Until Su Qi shows up.With a mop soaked in the blood of a recently stunned god, Su Qi scrawls a few bold words onto the epic tale:“The Abyssal Garden: No Room for the Idle.”

If you had the chance to go back a few years, relive your life, and rewrite your story—armed with a mysterious system designed to help you achieve your dreams—what would you do?This is the tale of Park Adan, a boy who met a tragic and humiliating end, crushed by a falling billboard on his way home. But fate wasn’t done with him yet.Adan wakes up in his bed, three years in the past, with a second chance to change everything. And this time, he’s not alone. With a system to guide him, his journey to rewrite his life begins—filled with challenges, opportunities, and a quest for redemption.Will he succeed in shaping the future he desires, or will the past catch up with him again?

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.