A Cat from Our World and the Forgotten Witch manga volume 1 features story and art by Hiro Kashiwaba.

In her youth, Jeanne was a powerful witch who vanquished the evil Demon King and saved the world—but over time, the people she rescued have forgotten her. Now she is a lonely old woman living in a secluded forest...until she accidentally summons a cat from Earth to her home! The former city kitty is now gigantic and must acclimate to this new world. Can a cat from another world soothe the loneliness of the forgotten witch?

A Cat from Our World and the Forgotten Witch manga volume 2 features story and art by Hiro Kashiwaba.

The assassin Flad is targeting Mew the giant cat and Jeanne the elderly witch, who had driven away the Royal Knights. However, the ruthless assassin has an unexpected reaction to seeing Mew with his own eyes. A warrior, a slave woman, and a harlot - the outcasts of another world whom Mew has met - will change the lives of a witch and her otherworldly cat.

A Cat from Our World and the Forgotten Witch manga volume 3 features story and art by Hiro Kashiwaba.

The sudden appearance of a horde of demons puts the royal capital of Grifford Kingdom in danger of being destroyed! While the people cry out for help, young King Robbins, who can do nothing but overlook the brutal Dowager Empress's misrule, meets the witch whom the kingdom once exiled. Meanwhile, in a corner of another world, those who are guided by a cat have encounters that continue to change their past, their future, and their entire world, bit by bit.

A Cat from Our World and the Forgotten Witch manga volume 4 features story and art by Hiro Kashiwaba.

Rue's hidden magical power is blazing out of control, so Robbins brings her back to the royal palace for treatment. Jeanne senses that the girl is in danger and leaves her forest home for the first time in fifty years, bringing her giant cat Mew and the mercenary, Flad. Waiting for her in the palace is her old nemesis the Dowager Empress—and a Guardian Beast who once stood by Jeanne's side!

A Cat from Our World and the Forgotten Witch manga volume 5 features story and art by Hiro Kashiwaba.

Jeanne returns to the Royal Capital for the first time in fifty years. Now, to ensure that the kingdom's bloody past and the tragedies it wrought will never be repeated, she heads into one final battle, along with the mysterious creature who has always been by her side.

It's the thrilling conclusion to the lyrical journey of souls guided by a cat.