The story of The Regressed Genius Player’s Mythical Weapon Creation introduces Kim Si-moon, a Level 1 alchemist cursed with magic incapability. On the day Earth was on the brink of destruction, Si-moon successfully created the Philosopher’s Stone—a miraculous object that can achieve anything through equivalent exchange. “Anything is possible, you say? Then what I want right now is to strike back at the one who destroyed Earth and killed my younger sibling, and to live a life free from being powerless!” As his regret-filled life seemingly comes to an end, Si-moon unexpectedly wakes up 11 years in the past. “This time… I’ll change everything.” Determined to rewrite his tragic past as a powerless alchemist, Si-moon teams up with the Philosopher’s Stone to alter the future, fix all misfortunes, and build a life he truly deserves.
While fleeing the Galactic Federation, Stitch's spaceship malfunctions and he makes an emergency landing... not in Hawaii, but in sengoku-era Japan! Discovered by the hard-hearted warlord Lord Yamato and his clan, Stitch's incomparable cuteness is no match for the battle-weary samurai, who decides to bring the "blue tanuki" home with him. Will Stitch's love of chaos turn into a formidable advantage for the samurai's influence? Or will his cute and fluffy form disarm the noble lord's stern façade?