MTL - Mystery Makes Me Strong - Chapter 2133 Auspiciousness from heaven

When a fantasy kingdom needs heroes, they skip the high schoolers and summon hardened Delta Force operators.Lieutenant Cole Mercer and his team are no strangers to sacrifice. After all, what are four men compared to millions of lives saved from a nuclear disaster? But as they make their last stand against insurgents, they’re unexpectedly pulled into another world—one on the brink of a demonic incursion.Thrust into Tenria's realm of magic and steam engines, Cole discovers a power beyond anything he'd imagined: magic—a way to finally win without sacrifice, a power fantasy made real by ancient mana and perfected by modern science.But his new world might not be so different from the old one, and the stakes remain the same: there are people who depend on him more than ever; people he might not be able to save. Cole and his team are but men, facing unimaginable odds. Even so, they may yet prove history's truth: that, at their core, the greatest heroes are always just human.

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

★DARK ROMANCE★^WARNING 18+^~NO RAPE~In a world dominated by organized crime and ruthless power struggles, a tangled web of trauma, revenge, and forbidden passion unfolds.Katya Volkov, the stunning but vulnerable daughter of the Russian Mafia's feared right-hand man, has endured a childhood of unrelenting brutality and neglect.Growing up, Katya was repeatedly tormented by her father's resentment, leaving her emotionally shattered and unloved.However, Katya's life was about to take a much darker turn. Romeo Salvatore, a name that was both feared and respected, emerged from the shadows.His traumatic past has left an indelible mark on his soul, rendering him cold and detached.Seeking retribution, Romeo launches a daring invasion of the Volkov's heavily guarded estate. He captures both Katya and her abusive father, subjecting them to merciless torture.Convinced of Katya's complicity in her father's heinous crimes, Romeo executes her father and condemns Katya to a life of hellish slavery.Yet, as time passes, the boundaries between captor and captive begin to blur. Katya and Romeo find themselves inexorably drawn into a forbidden bond, igniting a fiery passion that threatens to consume them both.Torn between his thirst for revenge and his burgeoning desire for Katya, Romeo is forced to confront the darkness within himself, would he be consumed by lust, passion and possibly love or would he stay loyal with his beliefs.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~This story is an enemies to lover type so don't expect all fluff and rainbows.~Weak to strong female~ML is ruthless, don't expect him to be a saint.~No rape~humours, laugher, tears and blush.~ And lastly, this story is not for the weak hearted~

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.