Yuuki Rito is your average high school student - awkward, shy, and hopeless when it comes to confessing his feelings to the girl of his dreams. But one day, a beautiful woman suddenly materializes in his bathtub! Her name is Lala Deviluke, an alien princess on the run from an intergalactic empire. After Rito gets unwittingly engaged to Lala, he soon finds himself sucked into a battle for Lala's affections, as alien suitors from across the galaxy vie for her hand in marriage. Rito's troubles have only just begun!
The year is 2095. Magic has been tamed as another form of technology, and the practice of magic is now a rigorous discipline. Brother and sister Tatsuya and Miyuki Shiba are just about to start their first year at the renowned First Magic High School of Japan. But the school's ironclad rules mean that the brilliant Miyuki enters the prestigious Course 1, while her older brother, Tatsuya, is relegated to Course 2--and that's just the beginning of their troubles!
It has been a week since Momonga logged in to his favorite RPG one last time and stranded himself there. Now he leads his guild as the Ainz Ooal Gown overlord. Finding himself in dire need of better information, he travels disguised as an adventurer to the walled city of E-Rantel, with Narberal the battle maid at his side. The pair accept a mission to retrieve medicinal herbs, making for a forest said to be the home of a great and wise beast. But the sinister influence of a fanatical cabal approaches E-Rantel, and the armor-clad Ainz will face both a ruthless warrior and a legion of the undead!
One day, in a peaceful lizardman village, an ominous messenger visits with a warning from the Great Tomb of Nazarick: In eight days' time, they will be annihilated. Unwilling to stand by and wait, the fighter and traveler Zaryusu journeys to the other lizardman tribes--who have received the same message--hoping to form an alliance against their impossibly strong opponent. But though the warriors try valiantly to resist, Ainz Ooal Gown and his undead army hold the power to determine their fate...