Girl-Bringing Elf Development System

My name is Shino, and I am male. Today I was reborn in the world of Naruto. I originally thought I would be so powerful, but I found that I am just like this! Just when I was preparing to live an ordinary life, a system was activated: Ding~ The elf development system starts to activate~ Young man~ For a better future, come and play the elf development game! What kind of elf do you like? Just cultivate it yourself! When Jingo laughed at himself for hearing hallucinations, a five-year-old white-haired girl suddenly appeared in front of him. She pulled his clothes very enthusiastically and called him in a sweet voice: Brother! Brother Zhengo! A voice sounded in my mind: The elves for newbies have been distributed. Young man, let's start the journey of elves development! What kind of elf development system is this? The real name is called the sister-taking system! If you don't agree with me, send it to your sister! From then on, Jingo started his own life of taking care of a girl, and the sisters around him... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.