Hitoshi Tadano, the Extraordinary Undercover Detective (2003)

In a war-torn world of elemental magic, a young boy reawakens to undertake a dangerous mystic quest to fulfill his destiny as the Avatar, and bring peace to the world.

The world's number one assassin has been reincarnated as the eldest son of a family of aristocrat assassins. In exchange for being reincarnated in another world, a goddess has imposed upon him one condition. "Kill the Hero who is prophesied to destroy the world." This was to be the mission in his new life. The synergistic effect of the vast knowledge and experience he gained that made all manner of assassinations possible in the modern world, and the secret techniques and magic of the fantasy world's most powerful family of assassins turn him into the greatest assassin of all time.

After he saves a bully from a Villain, a normal student is granted a superpower that allows him to attend a high school training academy for Heroes.

One day, Naho Takamiya receives a letter written to herself from ten years in the future. As Naho reads on, the letter recites the exact events of the day, including the transfer of a new student into her class named Kakeru Naruse. The Naho from ten years later repeatedly states that she has many regrets, and she wants to fix these by making sure the Naho from the past can make the right decisions—especially regarding Kakeru. What's more shocking is that she discovers that ten years later, Kakeru will no longer be with them. Future Naho asks her to watch over him closely.

For over a century, the mysterious Hellsing Organization has been secretly protecting the British Empire from the undead. When Sir Integra Hellsing succeeded as the head of the organization, she also inherited the ultimate weapon against these supernatural enemies: Alucard, a rogue vampire possessing mysterious and frightening powers. Now, Hellsing must deal with a more dangerous threat than vampires.

Jackie Chan teams up with his 11-year-old fictive-niece, Jade, traveling the globe to locate a dozen magical talismans before the sinister Dark Hand. Helping Jackie and Jade is Uncle, a cantankerous but wise antiquities expert.

Hiyori Iki is a normal middle school student until she was involved in a bus accident while trying to protect a stranger. This incident causes her soul to frequently slip out of her body, and she becomes aware of the existence of two parallel worlds. Through her soul, she meets the strange, nameless god without a shrine, Yato. Yato is determined to make a name for himself out there by accepting any wishes for 5 yen, including Hiyori's to fix her body.

Iwatani Naofumi, a run-of-the-mill otaku, finds a book in the library that summons him to another world. He is tasked with joining the sword, spear, and bow as one of the Four Cardinal Heroes and fighting the Waves of Catastrophe as the Shield Hero. Excited by the prospect of a grand adventure, Naofumi sets off with his party. However, merely a few days later, he is betrayed and loses all his money, dignity, and respect. Unable to trust anyone anymore, he employs a slave named Raphtalia and takes on the Waves and the world. But will he really find a way to overturn this desperate situation?

Naruto Uzumaki, a mischievous adolescent ninja, struggles as he searches for recognition and dreams of becoming the Hokage, the village's leader and strongest ninja.

When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.