Why is Background Character the Strongest Now? - Chapter 16

Death followed Achilles like a plague.Finding himself at his lowest point, he comes to realize how little value human life held as terrifying Advanced Humans and Evolutius Beasts waded across the Colonies of this world.About to lose the only remaining person close to him by falling into the jaws of an Evolutius Beast, a spark bloomed inside of him, and he saw a distinct blue panel appear before his eyes![Achilles Maxwell][Assimilation]:: -[Existence Corruption Value]:: 0%[Complexity]:: NegligibleA simple spark. And yet the changes it brought…were limitless!

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates

As a long-time Naruto fan, John downloaded what was advertised as the latest and most highly anticipated Naruto mobile game. However, as soon as the download finished, a blinding light enveloped him. When he regained his vision, he was shocked to find that he had become the orphan of Konoha—Haruto Itsuki. To make matters worse, upon his arrival, the Nine-Tails Rebellion began. Now, he must find a way to survive and navigate the chaotic ninja world during one of its most dangerous and turbulent times.