Under Ninja

Under Ninja (アンダーニンジャ, Andā Ninja) is a Japanese manga series written and illustrated by Kengo Hanazawa.

Plot
Even in this day and age, Ninjas walk among us, hide within plain sight, still waiting for their mission orders. However, for some, it takes much longer to receive orders than others! Meet Kumogakure Kurō, a NEET and a Ninja. After being a long time without work, he finally receives orders from the higher ups!