i am the god of systems

i am reincarnated in the world of naruto with a golden finger that creates a system for others, and i can get their rewards 10 times

jiraya: "write a book that naruto son of fate likes and receive nine tail chakra"

naruto:" steal the scroll of seals and receive Flying Thunder God Technique"

sasuke: Itachi do you think you're good at genjutsu? this is my zampakuto kyoka suigetsu

{ding!!! congratulations host jiraya completed the mission receive ten tail chakra}

{ding!!! naruto completed the mission receive unlimited teleportation}

(english is not my native language hehe...)