In the year 20XX, a young boy named Netto Hikari receives a very special gift as he enters the 5th grade: his very own customized Net Navi, Rockman.

Sasahara Natsuki is a poor bounty hunter in a world where monsters and humans live together. Most of her cases involve monsters infringing upon the rights of humans, who are protected by law from their generally more powerful neighbors. Being half-human and half cat-beast, Natsuki straddles the two societies and tries to understand and respect both while enforcing the law. She is assisted by a werewolf named Batanen who is afraid to admit he loves her; another werewolf named Tommy; and a Kyubi fox demon named Sakura who has her own plans--which include eating Natsuki to complete her her nine tails and thereby her magical powers.

A mysterious organization is interested in fledging duelist Shobu Kirifuda's ability to bring Duel Master creatures to life. With the support of his friends, Shobu duels with passion, discipline, and heart as he strives to be like his father and become the next Kaijudo master.

The story takes place during the Westernization Movement in an alternate world where humans and spirits coexist. To solve the problems that arise between the two, human lieutenants are partnered with half-spirit girls to form the Ministry of Spirit Affairs.

In a world where the dead walk, where good and evil exist as palpable forces, a darkness is stirring. The undead march against the cities of light, to capture the sacred fire that is the source of their power. But one hope remains. Called into this world by the magical flame, a young girl named Himiko is thrust into the maelstrom of danger, betrayal, and war. For she is heir to the sacred fire, and holds a power that could save its Guardians... if she survives!

Yusuke, Jo, Megumi, Kenji, Gou and Rui are students at Academia but the latter three decide to turn bad and join forces with the evil army Volt. When the defectors return, their three friends are forced to combat them as Choujuu Sentai Liveman. With the help of an android ally named Colon and a few others along the way, the Liveman must save the world and their friends.

Tairaku is a teacher at a local high school. He has a crush on Ms. Satsuki, a fellow teacher whom he hopes to someday marry. Then he meets Aya Shirakaba, upon whom he makes such a favorable impression that she transfers into his class. Unfortunately, Aya's father is a very wealthy and powerful yakuza boss, who charges Tairaku with keeping his daughter safe and pure—or else. Add to that the hordes of men and women at school who'd love to get their hands on Aya's body, and that Aya has secretly moved in with Tairaku, and constantly makes passes at him, and Tairaku is now in world of trouble.