Shaman King (2001)

Kagome Higurashi is a modern day young girl who lives with her family by the old Higure shrine. Unbeknownst to Kagome, she is the reincarnation of priestess Kikyo and posseses the "Jewel of Four Souls" (the Shikon jewel). One ill-fated day, Kagome locates an ancient well near her home and is abruptly transported through the well and into a feudal Japan, inhabited by demons. There, she encounters Inuyasha, son of a powerful demon father and a human mother, who is pinned to a tree by an enchanted arrow.

Mysteriously transformed into mini versions of themselves, Goku and his friends travel to the Demon Realm to uncover the truth and find a cure.

Rentt Faina has hunted monsters for the last 10 years. Sadly, he’s not great at his job, stuck hunting slimes and goblins for a few coins each day. His luck turns when he finds an undiscovered path. At the path’s end, he meets his demise in the maw of a legendary dragon. But, he wakes up as an undead bag of bones! He sets out to achieve Existential Evolution and rejoin the land of the living.

Arslan is the heir apparent of Pars, a strong nation that sits at the hear of the trade route connecting the East and the West. When the pagan nation of Lusitania begins an invasion of Pars, the timid Arslan is confronted with battle for the first time. His worst anxieties are realized the Parsian army falls for a Lusitanian stratagem and are routed. He barely escapes with his life, thanks to the loyal and indomitable warrior Daryun. Together they will stand against the invasion and the cruelties of fate that are about to blow down on Pars.

Asta and Yuno are two orphans who want the same thing: to become the Wizard King. Locked in a friendly rivalry, they work hard towards their goal. While Yuno excels at magic, Asta has a problem uncommon in this world: he has no powers! But, on the day they receive their grimoires, they surprise everyone. To reach their goal, they’ll each find their own path to greatness—with or without magic.

Rud, a shielder with a defense stat of 9999, serves as a tank for the Hero's Party as they carry out raids in labyrinths. When the tyrannical hero suddenly kicks him out of the party, saying his skill is "useless," Rud makes his way back to his hometown. Along the way, he saves a young girl, and she reveals the true nature of his skill... which turns out to be incredibly powerful!

The story of a young man named Yakumo Fuuji, who through a strange series of events becomes the immortal slave of the last of a race of 3 Eyed immortals. The immortal absorbs his soul to save his life, making him immortal in the process. Now, he begins a journey with the female immortal in an attempt to find a way of becoming human. Of course, there are many complications along the way, not the least of which being that the immortal is a female with a split personality, one achingly cute and the other being no-nonsense destructive power, and the romances that develop between.

While at summer camp, seven kids come across seven Digivices and are transported to a strange digital world. In this new world they make friends with creatures that call themselves Digimon who were born to defend their world from various evil forces.

Set in the future, a giant fighting machine called the Aquarion is humanity's only effective weapon in the fight against the technologically advanced species called the Shadow Angels.

Whether at the office or at home, corporate drone Yuji Sano works all the time. So when his home PC flashes a message about him being summoned to another world, Yuji restarts his machine…only to find that he’s inadvertently accepted the summons! Now in a fantasy world far removed from paperwork and computers, Yuji has just one thing on his mind: waking up from what he thinks is a dream and getting back to the mountain of work he left behind! But this other world has other plans for Yuji, who quickly discovers his Monster Tamer character class allows him to befriend slimes! And thanks to their number, those slimes help him absorb so much magical knowledge that he gains a second character class in the blink of an eye! How will Yuji wield his power now that he’s the greatest sage the realm has ever known?! And what about all that paperwork?!