Maryuu Senki (1987)

Ten Years ago, Genichiro Izayoi died trying to stop the sorcerer Rebi Ra, and as a result Shinjuku became a playground for demons. And now, the day approaches when Rebi Ra will complete his decade-long ritual to plunge the rest of the world into chaos! As Genichiro's son, it falls to Kyoya to venture into the heart of Shinjuku and put an end to the sorcerer his father couldn't beat. Can Kyoya exceed his father's legacy, or will the demons of Shinjuku create Hell on Earth?

Akira Fudo (aka Devil Man) fights more demons trying to kill him. The strongest enemy sent from the demon's world is Silen, the demon bird.

The "Academy Island Incident" in which four "kings" cross paths... Since then, Silver Clansmen Kuroh Yatogami and Neko have been searching for their master, Shiro. Without finding any clues to Shiro's whereabouts, the two became disheartened. However, one day, they see HOMRA members Rikio Kamamoto and Anna Kushina being chased by someone.

Fear runs rampant throughout Tokyo with the revelation that demons in fact exist amongst us. Paranoia and the darker side of humanity boils onto the streets as people turn on one another, suspecting that anyone could in fact be a demon hiding in human clothing. Amidst the growing tensions, tragedy strikes Akira causing his mind to snap, retreating into his subconscious, allowing his Devilish alter-ego Amon to break free from Akira's cage of flesh and wreak havoc on both human and demons alike.

A spectacular journey of an unwilling young hero thrust into a mysterious past full of monsters, dragons, and strange hidden powers. Through a series of out of this world battles and adventures, Jun, a shy middle school boy, is transformed into a hero destined to battle evil and ensure harmony and tranquility in the world.

A little boy whose dreams transcend reality is sucked into his own fantasy, which is everything he has dreamed of, until he unleashes an old secret that may not only destroy this perfect dream world but reality itself.

It's the year of destiny, and 15 year old Kamui Shiro, a powerful psychic, has returned to Toyko after a 6 year absence, having left when he was very young. He wants to be with his childhood friends, Fuma (his best friend) and Kotori, Fuma's little sister (and Kamui's possible girlfriend). He wants to protect them from all dangers, but destiny and fate are haunting Kamui and pulling in himself and his beloved childhood friends. It is his destiny and his sole decision to decide the fate of the world, no matter if he wants the role or not. Now it is a matter of if he will join the side of the Seven Seals and become the Dragon of Heaven to save mankind or join the Seven Angels and become the Dragon of Earth to destroy all civilization so the earth can heal itself from man's destruction.

Akira is just another normal kid in modern-day Tokyo, until an old friend of his, Ryo, shows up and turns his world upside down. Akira learns that there is an upcoming war of demons on humanity and he has just been enlisted for a major tour of duty. But the only way to fight a demon is with their power, so Akira and Ryo risk a dangerous ceremony in an attempt to create humanity's only hope: the powerful Devilman.

March 1999: Mikiya Kokutou meets Shiki Ryougi again at the same place where he met her for the first time four years ago...

When ancient dark magic falls into sinister hands and unleashes ages of suffering onto mankind, a group of heroes from different eras and cultures must band together in order to defeat it at all costs.