Watcher of Naruto World

The demon from outside invades the ninja world, and the fate of thousands of years is broken. The so-called ninja will eventually perish. … Kazama Yuyue suddenly came to the ninja world, and he used the system to recruit ninjas to fight against extraterrestrial creatures. Originally, if time could be turned back after completing the mission, nothing would have happened and everything would proceed according to the established plot. However, that old boy Otsutsuki Hagoromo insisted on stabbing him like that. Therefore, the ninja world collapsed and there was no way to save it.