The Legend of Immortality in the Ninja World

According to legend, the Black Lotus Pond, the first of the four holy places in the ninja world, is a mysterious place, and it is said that it contains the way to immortality. Now, the Black Lotus Sword Immortal from the Black Lotus Pond is born again, and what kind of changes will it bring to the ninja world. And what is his purpose? Looking for a way back home? Or find your lover? Cute new article, please bear with me. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.