Ojamajo Doremi, known as Magical DoReMi in the US, is a magical girl anime television series created by Toei Animation in 1999. It focuses on elementary school students who become witch apprentices. Led by Doremi Harukaze, the girls must maintain their double lives in secret. Ojamajo Doremi has been followed up by three direct sequels, lasting until its end in 2003. During the television series' runtime, two companion films were released in theaters. The English dub, produced by 4Kids Entertainment, released a preview episode in the US airing on August 13, 2005, and the first episode on September 10, 2005.

Takuya's father died during an accident while he was doing research. Worried about his young stepmother, Ryumi, Takuya follows her to Ken point. Watching her and her best friend, Mitsuki, from behind a rock, a sudden flash of light turns into an unearthly beautiful woman. The mysterious woman slips a ring on his finger, and Takuya's travels into a parallel world begins.

It is the end of the Shogunate period in Japan, and the Shinobi are struggling to survive by working underground as contract assassins. One of these female Shinobi assassins is Karyuu. To complete her deadly missions, she takes full advantage of her excellent fighting techniques as well as her radiant sex appeal. One evening, Karyuu sneaks into a house to assassinate a man and finds the target flirting with a maidservant. When she tries to erase him, her attack is thwarted by the maid, who turns out to be another contract assassin named Uzume. Before Karyuu's stunned eyes, Uzume carries out her own mission to execute the man! Thus, the fierce battle between Karyuu and Uzume begins!

Nagomu Irino returns to his Kyoto home for the first time in ten years when his father is hospitalized. Nagomu is eager to take over Ryokushou, the family's Japanese sweet shop, but he's instead asked to be a father figure to Itsuka Yukihira, the girl everyone calls the successor.

Ginko, a Mushi master, travels from place to place researching the Mushi and helping people who are suffering because of it.