Invincible from the Ninja World

Waning Moon traveled through the ninja world and became a civilian ninja. It happened that the Second Ninja World War broke out, and without any trace of blood, he obtained the golden finger, the system, which is essential for time travellers. You can get merit by killing enemies, you can get merit by completing tasks, and merit can make you stronger. Kill enemies again and again and complete missions one after another. Looking back suddenly, I realized that I was already the strongest in the ninja world. This is a Naruto anime fanfic. Please do not use games, Boruto and other topics for anal purposes. The author is new and cannot afford to be bullied. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.