MTL - The Life of a Villain Starting From Naruto - Chapter 124 so the answer is

Marked by the cursed Darksign, Naruto Uzumaki finds himself tethered to two worlds: the unforgiving lands of Dark Souls and the shinobi realm of ninja. How will a world of Dark souls face a Chosen Undead with chakra? And how will the shinobi world confront a warrior reborn in the Lands of Lordran?

“Young man, your chastity was lost.”

“Σ ( ° △ °|||)!!”

Give up your virginity to save the world! Our motto is–” “I didn’t think it would be bent, la la la la la!”

- Description from Novelupdates

In the bustling city of Eldoria, nestled between ancient forests and towering mountains, lies the renowned Celestial Arcane Academy—a hub of magical learning and the central setting of the revered fantasy novel, “Aetheric Chronicles.”Unbeknownst to the residents of Eldoria, a young Earthling named Alex awakens in the academy, a place he recognizes all too well from the pages of his favorite novel.Gifted with an OP ability yet unable to use it properly, Alex quickly realizes that he is not merely a student but a living embodiment of a character from “Aetheric Chronicles”, an extra or a side character to be more precise.As he navigates the grand halls of the academy, he's met with a surprising twist—characters deviating from the expected plotline, unforeseen events altering the carefully crafted narrative.Eager to maintain the balance between the known world of “Aetheric Chronicles” and the unpredictable reality he finds himself in.However, the unpredictable nature of his presence in the novel's universe sparks whispers of prophecy and conspiracy among the world's inhabitants.Guided by his knowledge of the novel's lore, Alex faces dilemmas that challenge the very essence of his character. Will he follow the prescribed destiny laid out in the novel, or will he forge a new path and risk unraveling the delicate threads of the fantasy world?Will he find answers to the questions he seeks for?Will he reach the ending of the story? If there is one...

Martial Arts Year 1. Cracks have appeared between Heaven and Earth, and terrifying foreign monsters have begun to invade the earth.

Martial Arts Year 100. Martial arts have begun to flourish, and human martial artists are clashing against the invading foreign monsters.

Martial Arts Year 200. Humanity is declining, foreign monsters are continuously seizing habitual zones.

Martial Arts Year 300. Lu Sheng crossed over. Moreover, he had access to memories from 10,000 years in the future.

“The Body Refining Technique from 10,000 years in the future. After more than 10,000 revisions, it’s a thousand times more effective than the one used now!”

“Martial Art Breathing Method from 10,000 years in the future…”

“Medicinal Pill Recipes from 10,000 years in the future…”

“The Sacred Martial Scriptures from 10,000 years in the future…”

Martial Arts Year 10,000. Humanity has gone extinct.

“The Path of Martial Arts had been honed to its pinnacle, yet there was no one left to inherit it.”

“I, Luo Sheng, am Humanity’s final Ember!”