Katsuhiko Koide
Writing
Known For

Kuroo Hazama, also known as "Black Jack," is a legend in the medical world. Famous for being one of the best, as well as not having a license, Hazama and his assistant Pinoko save countless lives that other doctors cannot... for a price; an exorbitant price, in fact, which causes many to view the genius as greedy and heartless. Despite these claims, however, none can deny his skill and the lengths that he will go to treat his patients. This dark medical drama tells the story of the ominous and mysterious world of underground medicine as Black Jack risks his life to cure some of the most bizarre diseases imaginable, even if it means breaking every law in the process.
Black Jack

Asakura Yoh is a shaman, a person who communicates with ghosts. He enters the Shaman Fight, for whoever wins the tournament gets to commune with the Great Spirit, God... that and his fiance Anna wants to be the wife of the Shaman King. Helping him are his friends Manta, Horo Horo, Ryu, and his samurai ghost partner, Amidamaru.
Shaman King

Tomoharu is a normal high school student... except for the fact that he is never alone. Haunted by the ghost of his dead childhood friend, he moves into a new residence at the beginning of the school year. Life turns out to be a little more difficult than expected, though, when his house is overrun by various female occult users. To make things even worse he is pulled into an epic struggle to protect a mysterious trunk, that is presently hidden in the house.
Asura Cryin'

It’s Nanako’s first day at Seiran Academy, a prestigious all-girl’s high school famous for its exclusive and elegant “Sorority.” Only ten members will be accepted this year, and competition is fierce! Despite seeming fairly unremarkable on the surface, Nanako is selected as a member – instantly making her a target for her jealous and angry classmates. But the bullying doesn’t stop Nanako from forming friendships with the three most popular students, and even falling in love.
Dear Brother

After the break up of their old band, guitarist Yuki & drummer Santa decide to form a new one. They recruit bass player Towa, young guitarist Atsuro, and after much persuasion, vocalist Sakuya. Together they form Lucifer and they struggle to make it in the music business, and also to stay together. As well, they have to deal with personal issues, such as parental objections, and watching their old bands succeed ahead of them. Sakuya is the most troubled band member, as he has to deal with his tragic past, and his relationship with teenaged lyricist Aine.
Kaikan Phrase

Kunimi Hiro is a high school student, who is forced to give up his ambitions as a professional baseball player due to a serious injury. Now at a new high school, Hiro gets involved with Haruko and her goals of reviving that school's baseball team. At first they must overcome the refusal of school principle, who still remembers a dishonorable defeat that the school's baseball suffered some ten years earlier. Even with permission to form a school baseball team, there are still the players to recruit and train, and the challenges of building a reputation of the team within the high school baseball circuit. This is a story of group of high school students and their love of the game of baseball. Hiro is national class pitcher and batter, with his best friend who is a catcher and with Haruko as the team manager, together they struggle to build a baseball team worthy of the national championship.
H2

Shunichi Domoto is a talented sportive 5th-grade boy who is used to helping sports teams in his school. He enters a Yoyo duel against a bully boy called Benkei to help his friend, Beso, to get back his Yoyo which was stolen by the bully. He beat him up, but after that, he meets the exceptionally gifted Yoyoer, Seito Hojoin who beat him up because he ridiculed the Yoyo game. So, Shunichi enters Japan`s Yoyo championship to get his revenge from Seito. Throughout This Championship, He earns new Yoyoing Skills and meets powerful rivals.
Chousoku Spinner

New Cosmic Century 038, humanity is suddenly attacked by an unknown alien civilization known as the Orbital Ring System. Soon, the entire Earth Civilization Sphere has been cut off from the space colonies, and is under the control of the ORS.
Space Travelers: The Animation

In the space history year of 0375, the killing Plan of Esper and the Imperial Plan met with failure. Run, who had executed these plans because of his partiality for his own self-made computer named Elena, lived together with Locke and Near under their protection. At the same time, Cassandra and Barcov of the Hackers netted the widely dispersed computers in each corner of space, and they succeeded in reviving some abandoned programs. This was the federal administrative computer, Elena. She tried to start the previous Imperial Plan again. When Locke found out about it, he set off to stop it. At the same time, the federal administration which detected something abnormal, also started to move. Involving Run and Near who chased Locke, the confusion was expanding to the entire Galaxy...