Amnesia from Majo no Tabitabi

A mysterious witch named Amnesia, known for her forgetfulness and ability to erase memories. Originating from a world where magic and fantasy coexist, Amnesia's history is shrouded in mystery, even to herself. She is accompanied by a talking cat named Firu, who seems to be the only constant in her ever-changing life. Amnesia's magic allows her to manipulate memories, both her own and those of others. However, a traumatic event from her past has caused her to suffer from severe amnesia, making it difficult for her to maintain her true identity. Despite her forgetful nature, Amnesia possesses a kind heart and seeks to help those in need, often going out of her way to assist others without expecting anything in return.