In 2038, Yuuma Sawatari is an elementary school kid who loves everything about space and astronomy. He was initially excited when his parents bought a robot called Nanako, but he was disappointed when he learned that she was basically just a boring housekeeping robot. However, when he does finally try to talk to her about space, something strange happens. Her system crashes and is taken over by what claims to be a marooned alien ship! The alien ship wants Yuuma's help to get back to space!

It has been a month since London was struck with tragedy, and a ceremony symbolizing peace and restoration will soon be held. In light of these events, Arsène Lupin plans to throw a party for Cardia Beckford to honor the fulfillment of her wish. Lupin sets out on a search for the perfect gift to offer her; however, he finds himself caught up in the theft of a valuable jewel, and he is framed and believed to be the culprit. With Lupin locked behind bars, his friends work along with Cardia and an unexpected ally to clear Lupin's name and find the real perpetrators behind the heist.

The year is 1863 and as Japan's long festering wounds of political discord erupt into violent waves of street clashes and murder, the Tokugawa Shogunate sends a new force of masterless samurai called the Roshigumi to the aid of the Aizu forces in Kyoto. However the new "police" are anything but a cohesive force and assassination has already split them into two opposing factions. The stronger is led by the brutal Serizawa Kamo and the lesser by the more honorable but less assertive Isami Kondo. It is into this pack of wolves that Ryunosuke Ibuki is dragged by the rabid Serizawa. Forced to be a virtual slave by blood debt, he hates the samurai and everything they stand for. But as he sees how the other half of the samurai live, he begins to believe that there may still be a chance, for both himself and Japan, if only Kondo will step up and take down the mad dog Serizawa!

The Sacred Kingdom has enjoyed a great many years without war thanks to a colossal wall constructed after a historic tragedy. They understand best how fragile peace can be. When the terrible demon Jaldabaoth takes to the field at the head of a united army of monstrous tribes, the Sacred Kingdom's leaders know their defenses are not enough. With the very existence of the country at stake, the pious have no choice but to seek help wherever they can get it, even if it means breaking taboo and parlaying with the undead king of the Nation of Darkness!