A shut-in transmigrates to a martial arts world because of a ring, becoming a wandering swordswoman.
What does a wandering hero rely on? Martial arts. With a good set of skills, you can defend yourself, uphold justice, and punish evil.
But after he becomes a she, he discovers that not only has he lost all his memories, he has no martial arts skills either! All she has with her is a treasured blade.
Without martial arts, how can she roam the world and protect herself?
The treasured blade gives her the answer: Rely on me!
Follow an amnesiac swordswoman as she roams the martial world with a treasured blade that can fight on its own, and searches for her memories.