Legend says that centuries ago, a colossal spider ravaged Tokyo. Resistance was futile, as none could quell the havoc wrought upon the city by the beast. Fortunately, one man—the legendary exorcist—stopped the devastation. Using his divine powers, he sealed the monster away and the world has enjoyed peace ever since. Mizuki Henmi is an adolescent girl who is acquainted with Shu Suzuri, a dull young man who runs an old Japanese bookstore. During a routine visit to his store, Mizuki learns of a mysterious and valuable book that Shu is planning to sell. Unfortunately, the unrestrained Mizuki handles the book roughly, breaking the seal that kept it shut and revealing an odd entity—a cute spider. Wasurenagumo tells the story of Mizuki, Shu, and their seemingly harmless spider. However, ominous winds begin blowing. While Shu is infatued with his arachnid friend, Mizuki becomes wary of its every move…

A runaway vehicle driven by Izumi Yasaka, en route to the Public Safety Bureau building, is reported shortly before it crashes into the building. Izumi is a counselor who recently ran away while working at a latent criminal isolation and rehabilitation facility known as Sanctuary. Before Inspectors Mika Shimotsuki and Akane Tsunemori get to interrogate the suspect, a sudden request is issued from the facility to promptly bring Izumi back. Interpreted as a direct order from the Chief and the board at Sanctuary, the Inspectors obey, but insist that Izumi be escorted back personally. Tsunemori intends to investigate further with the rest of the team at the Bureau. Now Inspector Shimotsuki has finally been given the opportunity she had been waiting for—to be the primary investigator on an important case. This case follows Shimotsuki and her team of Enforcers as they uncover the secrets of Sanctuary.

Mii Snowdon is left on her own after her father disappears while investigating the mysterious letter-shaped pokemon called the Unown. The only clue to her father's disappearance is a box containing several tiles. While playing with these tiles, Mii makes a wish to see her father again, and this wish awakens the Unown—who summon the lion-like, legendary pokemon Entei to act as her father.

Meanwhile, Satoshi heads to Greenfield with his faithful pokemon companion, Pikachu, to meet with his friends, Kasumi and Takeshi. When they reach the area, they are shocked to find the place crystallized. They quickly learn that the Unown are responsible for this, and that they will need to be defeated in order to restore Greenfield to its former beauty.

The situation becomes personal when Satoshi's mother is kidnapped by Entei. To discover why his mother was taken away, Satoshi, along with his friends and pokemon, must travel the crystallized landscape to confront Entei and the Unown. 

[Written by MAL Rewrite]

One day Pop was out scavenging with Hana, and found a beautiful rose inside the Queen's garden. Curious, she picked the rose and brought it home. Unwittingly, that rose can cause all wishes to become true, whether good or bad. Good wishes will turn the rose white and bloom, while bad wishes will turn the rose black and wither. After a heated argument with her sister Doremi, Pop wishes that Doremi loses all her magic and be turned into a mouse. Hilarity ensues, as Doremi and the others try to put everything back to normal. (Source: ANN)