Reborn in the world of ninjas, become Tian Tian’s elder brother who plays with ninjas. Tian Tian, ​​what’s so interesting about ninjas? My brother will teach you how to use hidden weapons. Tian Tian, ​​look after me, I’ll be able to kill you if I throw this kunai out from 800 miles away One Jonin. Tiantian, today my brother will teach you how to use a thousand copies to penetrate Susanoo! This is a story about a hidden weapon that can do whatever you want.