Chen Jin was an overworked 996 employee whose favorite series was Naruto Shippuden. After dying suddenly, she unexpectedly transmigrated to the world of Naruto and became Hidan's mother, Sen Yun...
Believing that only strength mattered, she joined the Jashin Cult, enabling many members of her clan to gain immortal bodies.
She led her clan in rebuilding Yugakure, and gradually made the people of the Shinobi World see the power of immortality.
