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When Minato Kiyomizu wakes up in a hospital, he learns that he has been comatose for 203 days. As it turns out, a car accident has caused him to lose all memory of his middle school journey. Eventually, he discovers his former glory in water polo and desires to continue where he has left off. However, embarrassingly becoming aware of the massive disparity between his old and current self, Minato begins intensive rehabilitation in hopes of starting anew—a life without water polo. Yet, Minato is promptly reminded of his past prowess and a promise on his very first day in Yamanami High School. Soon enough, despite being completely aware of his ineptitude, he joins the school's water polo club! While needing to relearn the sport's basics, he, along with his clubmates, must recruit new members to attain the required seven-man roster. With that, Minato tries to rekindle his deeply buried talent for water polo—and become one of Japan's renowned players once again. [Written by MAL Rewrite]

Astro Boy appears to be a normal, playful kid, yet he is a robot capable of both flying and incredible strength. Living with his parents in a small town where humans and robots coexist, he has many friends thanks to his cheerful nature. Eager to learn and try new things, Astro and his companions often embark on exciting adventures. But their explorations are met with unexpected troubles when the wicked criminal Hamegg—joined by his accomplices Gora, a pink gorilla robot, and Professor Flau—interferes with their endeavors. As the little robot boy and his group bravely face challenges, their efforts become part of a journey to discover the world's values and wonders. [Written by MAL Rewrite]

DVD specials.

The second series is to follow the events of the second video game, focusing on the lost continent of Mu. The ancient civilization vanished ages ago, and a few of its remnants still exist as myths and legends called UMAs (unidentified lifeforms). The UMAs begin merging with humans in order to search for the treasures of Mu, the powerful ooparts, which will give them the power to revive Mu. After Subaru and War-Rock encounter several unusual enemies, they meet a professor named Doctor Orihime who sends them on a quest to find the ooparts and stop the UMAs. Using the ooparts, Rockman is able to take new forms, including Thunder Berserk, Fire Dinosaur, and Green Shinobi. (Source: Wikipedia)