Saving World with Crossovers, start with Hikigaya replacing Natsuki

"With the goal of hunting Celestial Dragons, using dual identities to rise through the ranks at Navy Headquarters, becoming the youngest Admiral in history!" "Sharingan + Ice Release + Devil Fruit - is this viable?" "Navy Admiral" "Lifelong Enemy of the Celestial Dragons" "Ancient Species - Snowfall White Wolf!" "The Navy's Most Handsome in 800 Years!" Borsalino: Compared to that kid, being called monsters makes us ashamed. Sakazuki: I can feel this guy's Burning Justice! Kuzan: My fighting style seems crude and clumsy compared to his... Sengoku: He will be the future of the Navy! A pillar of the Marine forces! (Most importantly, his face alone has boosted recruitment numbers by several points) Garp: I have a feeling... this guy will cause as much trouble as Roger...

Xia Qiu, who died in an unexpected car accident, is reborn into the Marvel Universe with the same divine body and extraordinary abilities as the “Cute King.” Possessing powerful skills and a mysterious system, he rises to become the Cute King of Marvel. You have artificial intelligence—I have the Great Sage! You can summon thunder and lightning—I can devour everything! You have unmatched talent—I can conquer and unify all! Watch as the Cute King dominates and controls the Marvel Universe! If you enjoy “The Cute King of the Marvel World,” don’t forget to recommend it to your friends on QQ groups and Weibo! Read the latest chapters and the full story without interruptions. If you like it, be sure to share it with others!

Lu Yang transmigrates to a parallel universe into the body of another person also named Lu Yang. After digesting the person's memories, he murmurs constantly, " Barcelona without Messi? San Siro Stadium without Kaka? No Ronaldinho, no Batistuta, no Adriano, no Shevchenko, no Ibrahimovic, no Lukaku..." What adds to his surprise is a football system. "Ding! Acquired Player-level Competence *1, Backfield Defense Cooperation." "Ding! Acquired Giant Star Talent *1, 'Harvey—God's Perspective'!" "Ding! Acquired Moment Card *1, Lionel Messi!"

Reborn as an Uchiha… he knew exactly how it would end. Massacre. Betrayal. Extinction. But this time—he refused to die. On the night he decided to overthrow Konoha, a mysterious Multiverse Guild invitation appeared, linking him to beings from countless worlds… and granting him power that defies fate itself. With knowledge of the future and strength beyond limits, he will rewrite destiny—save the Uchiha, crush Konoha, and rise above all worlds. This time… the massacre won’t happen. He will be the one who destroys fate

The world has plunged into an oceanic ship survival scenario. The male protagonist, Qin Yu, awakens the "Daily Lottery System" at the start and draws an SSS-grade fishing rod, which he uses to fish out an unlimited supply treasure chest. Watch as Qin Yu and the Black and White Stockings sisters build a super ship together in the vast, endless ocean—

[Starship][Interstellar Colonization][Giant Warships and Cannons][War][Battlefield Overlook]   Qin Beiwang traveled to the interstellar era.   Though born as the son of the Federation Fleet Marshal, he ranked last in the Federal Academy's Captain Command Department.   After being parachuted into the position of Fleet Commander to gain frontline experience,   he unexpectedly awakened the Commander System.   This allowed him to share detection information from all starships under his command.   Whether it was radar detection, gravitational wave detection, or thermal radiation detection,   Qin Beiwang could grasp the detection information instantly.   With God's Perspective activated,   he perfected the principle of "Detected Means Destroyed" in this era of giant warships and cannons.   Enemy Commander: "What? My fleet just accelerated and already suffered firepower coverage?"   His Adjutant: "Commander Qin Beiwang is my..."

In the interstellar age, Zhao Chen transmigrates into the body of a fallen noble young master. What greets him is not power, glory, or wealth—but a ruined territory, scarce resources, and a pile of broken-down starships. No Stargate in the territory? Then build one. No fleet to defend his land? Then forge one from scratch. Interstellar Frigates, Stellar Destroyers, Stellar Cruisers—whatever is needed, Zhao Chen will create it himself. On the battlefield, carrier starships unleash endless drone swarms like a storm of steel, while the heavy artillery of interstellar battleships proves one simple truth: Firepower is justice. While the empire proudly unveils its newly developed T5 starships, Zhao Chen only laughs. Sorry—his entire fleet is already T5. In Zhao Chen’s world, there is no problem that starships cannot solve. And if one fleet is not enough— Then send two more.

(White Wizard Start) Exploring the unknown, seeking truth, surpassing life and death, controlling the heart of man—this is the life of a wizard. In this resource-hungry world of wizards, the transmigrator Locke Augustine uses his golden finger—the Magic Cube of Synthesis—to constantly transform low-level materials into higher-level ones. He embarks on the path of exploring genetics, potionology, alchemy, and everything that leads toward the truth, developing brand-new magical plants, potions, bloodlines, and more… “I do not care about the future and destiny of this world, nor do I care about the life or death of every stranger in this world. But as wizards, we must explore everything, conquer everything, and march forward toward the unknown.” Note: The mc of this novel also have Synthetic Cube like the Mc of "The Synthetic Wizard" where he can synthetize anything.

Dugu Feng crossed over to the Douluo Continent with his ancestral treasure pearl, arriving in the Dugu Clan. Initially, he thought having Dugu Bo as his great-uncle would mean unlimited access to immortal herbs and spirit bones. But when he discovered the Dugu Clan was divided into the Serpent Cultivation and Poison Cultivation factions—two branches locked in bitter enmity—he was stunned. At this point, he’d be lucky if Dugu Bo didn’t kill him outright. Fortunately, the ancestral pearl transformed into a Poison Core. Watch as he refines his venomous techniques, mass-produces Poison Cores, ascends as the Poison King, and leads the Poison Cultivation faction to dominate Douluo... Stealing Tang San’s opportunities and humiliating him is a must. Recruiting female companions is also non-negotiable. Additionally, this novel will creatively reinterpret some character personalities and introduce original plot twists, striving for fresh appeal. Hope you brothers enjoy it!

[ Mature Content - R18 ] You've heard of the Hero summoned to Defeat the Demon King right? Well what about the story of a guy summoned by the Demon Goddesses to defeat the Hero? This is the story of Jax, a very 'unique' guy. After f*cking the mother of a classmate, he ends up being summoned to another world by the Three Demon Goddesses, pleading with him to stop the Hero and become the new Demon King! However, when Jax recognizes the Hero, things take an interesting turn, and the Goddesses' realize they may have bitten off more than they can chew. Watch Jax's Journey as he takes down the Heroes, Rules the Demon Kingdom and f*cks any and all women who he wants. ************ What to expect when reading? A Good Balance of Smut & Plot. Sex with various different species ( Elves, Succubi, Demi-Humans, Milfs, Virgins, Orcs, Dragons and more ). Very very OP Protagonist. If you dislike OP Protagonists or Systems, this is not for you. Content Tags → Smut / R18+ → Harem → Overpowered Dominant MC → Netori ( MC Stealing the Partners of Others ) → A Sex Based System that is useful, but doesn't dominate the Plot or Punish MC! → World-building