Masatsugu Arakawa (荒川 眞嗣, Arakawa Masatsugu, born March 4, 1964) is a Japanese director, storyboard artist, and animator from Sendai City, Miyagi Prefecture. He is also sometimes credited under the name 荒川 真嗣 (same reading).
In the year 2029, the barriers of our world have been broken down by the net and by cybernetics, but this brings new vulnerability to humans in the form of brain-hacking. When a highly-wanted hacker known as 'The Puppetmaster' begins involving them in politics, Section 9, a group of cybernetically enhanced cops, are called in to investigate and stop the Puppetmaster.
Awakened into a world where humanity has been petrified, scientific genius Senku and his brawny friend Taiju use their skills to rebuild civilization.
Iwatani Naofumi, a run-of-the-mill otaku, finds a book in the library that summons him to another world. He is tasked with joining the sword, spear, and bow as one of the Four Cardinal Heroes and fighting the Waves of Catastrophe as the Shield Hero. Excited by the prospect of a grand adventure, Naofumi sets off with his party. However, merely a few days later, he is betrayed and loses all his money, dignity, and respect. Unable to trust anyone anymore, he employs a slave named Raphtalia and takes on the Waves and the world. But will he really find a way to overturn this desperate situation?