People in Konoha: You Will Become Stronger If You Take in a Younger Brother

Bai Yu traveled to the world of Naruto and obtained the system of recruiting younger brothers! As long as you have a younger brother, you can become stronger! People who became Bai Yu's little brother said one after another Uzumaki Naruto: "As the boss's younger brother, my Rasengan actually comes with its own magic!" Uchiha Sasuke: "Since I became a younger brother, not only have I received care like an older brother, but I have also easily killed Itachi!" Orochimaru: "Boss, is this the charm of future technology?" Jiraiya: "Boss, thank you for your help, I caught Tsunade!" Bai Yu: "Don't be afraid if someone bullies you, just mention my name!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.