

The alien bugs invaded, and humanity retreated to the "Ark" mobile fortress. Four years ago, hero Kevin piloted the mech "Silver Scar" to defeat the swarm, but retired after his entire squad fell. When the bugs returned, Kevin reapplied—only to show 0% compatibility. Spy Marshal Sam framed him for treason, sentenced him to death, and sent his mech to the scrapyard. As the swarm breached the gates and Kevin faced execution, "Silver Scar" self-activated, rescued him, and synced at 100%. Kevin repelled the swarm, and the whole city witnessed the war god's return.

Young Rex sells lemonade with his battered mech Wisp until the Mech King Victor saves him from bug-beasts, gifting a core and warrior badge. Years later, wealthy Rex rescues bankrupt, betrayed Victor from his traitorous heirs and rival Samuel, who's corrupted Volt with alien tech. Together they destroy it and reunite to fight the bugs

When the apocalypse hits, time-traveler Finn gets stabbed in the back by his fiancée and his friend. Then he unlocks the Plant Summon System. These plants grow clean and stand guard over the base. While everyone else fights for scraps,Finn levels up in chill mode. With Cherry Bomb and Doom-shroom, he wipes out zombies like mowing grass. He recruits powerhouses, wins hearts, crushes the Zombie Queen, and goes head-to-head with Dr. Corpse. In the end, he turns Caelum into humanity's last beacon, saving the world without breaking a sweat.

In the 262nd year of the Dragova Era, melting polar glaciers and rising seas swallow countless nations. Ancient sea beasts awaken, invading human lands. On January 1 of year 263, the Rank-10 beasts strike humanity’s last territory, Taelsky. Led by General Alaric Thorne, the elite Dragova Squad fights bravely—but by March 12, they are all annihilated.

After 120 failed confessions, a tragic fall erases Leona's ten-year love for Everett. Driven by envy, Everett’s ex frames, burns, and imprisons her, but gentle Shane stays by Leona’s side. As Leona thrives, the evil schemes unravel. Everett goes mad with regret, only to realize Leona has moved on.