Ryuunosuke Natsume is the son of genius inventor Kyusaku Natsume and overbearing Akiko Natsume, CEO of Mishima Heavy Industries. Using funds from his wife's company and the brain from his son's beloved cat, Kyusaku creates a revolutionary android called Atsuko Nuku Nuku Natsume. To Kyusaku's disgust, Akiko wants to use her husband's technology to create weaponized robots for her company's customers, resulting in Ryuunosuke getting caught within the explosive fights between his parents The android Nuku Nuku tries to live as a normal high school student, adopting the role of Ryuunosuke's elder sister, but usually ends up acting as her family's protector. Nuku Nuku will do anything to protect the ones she loves.

For the first time ever, the members of Shoushukan High School's Rhythmic Gymnastics Club have qualified for regionals and proceed to set their sights on the Inter-High title. Unbridled excitement permeates the air as the club members prepare and practice their routine, hoping to leave with no regrets, no matter the outcome. Aware that this marks the final tournament for their club's third-year members, the team is more determined than ever to shine the brightest on the competition's biggest stage. However, the pressure of this grand event, on top of some personal troubles, may soon prove too much to handle.

On the Spooner Continent, a valiant group of Sorcerer Hunters are the people's last line of defense against the evil dark magiks unleashed periodically by those who can't control it. Saving the world and looking sexy while doing it! (Source: AniDB)

The Band of the Hawk and their enigmatic leader Griffith continue winning battle after battle as their prestige throughout the kingdom of Midland grows. But their latest task is one that has seen failure from everyone who has attempted it: the subjugation of the impenetrable fortress of Doldrey. But with members like Guts—the captain of the Hawks' raiders who can easily fell 100 men with his gigantic sword—such tasks prove to be trivial. However, in the aftermath of the battle, Guts decides to leave the Hawks in order to pursue his own dream and bids farewell to his companions, despite Griffith's attempts to make him stay. This single event causes Griffith to lose his composure, and leads him to make a decision that will alter his and the Hawks' fates forever.