Osamu Saka

After a global financial crisis, the world is engulfed in an AI-driven "sustainable war." It's up to Section 9 to counter new forms of cyber threats.

An alien race called Gauna has destroyed Earth. leaving humanity struggling to survive aboard the spaceship Sidonia. Even though it’s been a century since the last encounter with the Gauna, military service is mandatory. For Nagate Tanikaze, whose grandfather secretly hid him in the forgotten bowels of Sidonia, it’s a strange new world as he’s forced to come to the surface. Yet his recruitment comes just in time, for the Gauna have suddenly reappeared.

Hiding within his heart the secret of his lord's illegitimate child while risking his life to protect him, Uesugi Kenshin's chief retainer, Naoe Kanetsugu, teamed up with the legendary warrior known as history's most infamous wild man, Maeda Keiji. Never once yielding to any number of powerful men, Kanetsugu and Keiji continue to blaze through the turbulent latter days of the Warring States era, faithfully fighting for justice and their own way of life...

Legendary half-vampire, half-human vampire hunter Blade is tracking Deacon Frost, a very powerful and influential vampire who killed his mother and who heads Existence, a secretive vampire organization that operates in Southeast Asia.

Follow the adventures of three ordinary girls as they make life’s awkward moments a thousand times worse. Along with a colorful bunch of classmates, they learn their most important lessons the hard way. Meanwhile down the street, a pocket-sized professor makes life difficult for a robot who just wants to be normal. But normal is the last thing you can expect in a town where salmon falls from the sky. In fact, the only thing you can count on is your friends, but even they are totally weird.

Otomo City: where freedom and justice have atrophied to the bone; where conspiracy rules the day and death stalks the night... Death in the form of the Skull Man, a literal Grim Reaper whose skeletal grin presages grisly mayhem and murder, even to the monstrous mutants that haunt the city's underworlds! To investigate a bizarre slaying, journalist Minagami Hayato and photographer Kiriko Mamiya must stalk this ultimate predator, through a festering cadaver of a city where the corruption flows in rivers as deep and foul as the sins of the reigning elite, and unearth a secret so shocking that an entire city has been turned into a tomb to contain! In a nightmarish necropolis where nothing is as it seems, vengeance comes in the form of a living Death's-Head!

Set in the early 24th century against the backdrop of the city of Neo Venezia on the planet Mars. No longer the barren red planet, Mars has been flooded, inhabited and is something of a tourist hub for those looking for rest, relaxation and a gondola ride – the primary mode of travel in Neo Venezia. The Undines are professional gondoliers, tour guides for the people passing through. Akari Mizunashi is an Undine in training and this is a piece of her story.

Kenzou Tenma, a Japanese brain surgeon in Germany, finds his life in utter turmoil after getting involved with a psychopath that was once a former patient.

Kenzou Tenma, a Japanese brain surgeon in Germany, finds his life in utter turmoil after getting involved with a psychopath that was once a former patient.

OVA series produced to commemorate the 45th anniversary of Yomiuri TV and the 30th anniversary of Black Jack's creation. Four chapters from the original manga are adapted.