Meet Usoko Tachibana, a high school student, and also a magical girl? After a fateful night at her school, Tsukiyomi Academy, Usoko is suddenly thrust into a hidden world inside her own inhabited by monsters, alongside new found powers gained from a Yokai Crystal. Working as a new recruit for the organization GARDNA...
GARDNA sends Usoko and company on a trip to Kaiju Island in order to take their training to the next level! Besides the kaiju that the island is named for, the girls also encounter the island's ancient guardian, and face their inner demons in a grueling trial within the island's temple. Meanwhile, new foes and siniste...
When a sudden cold front hits Fumizaki City, Usoko and company soon find out that the cause is none other than a Yuki-Onna! Thankfully, she is a friendly one, but is also new to being a spirit and has no recollection of her past life. Usoko, Emiko, Rei, Nonami, and the newest member of the team Sarah, embark on an exp...
After the expedition to Kaiju Island, Usoko must now go on yet another trip after learning that her mother is indeed still alive. Accompanied by an unlikely ally, Usoko must set out to New Atlantis to learn a specific spell that is required to wake her mother from a deep slumber. Rei reconciles and reunites with an ol...
Ahrimanes suddenly approaches Usoko in a dream about a new threat that is emerging, and his warning soon proves to be true as a mysterious cult is bringing people's worst fears to life and wreaking havoc wherever they go; from bringing back old foes, to crashing a wedding, and even defacing the Eiffel Tower itself! Us...