A Love Simulation Starting from the Ninja World

In the ninja world, war breaks out everywhere. This was a bloody era, and the major ninja villages provoked brutal wars that swept the entire ninja world for their own benefit. Even young children from the major ninja clans were sent to the battlefield. Wuyue, who was a ninja, recovered the memory of his previous life, and naturally awakened the golden finger. Is it unhealthy to engage in a love simulation in such a bloody and cruel world? Others are working hard to improve their strength with the goal of killing more enemies on the battlefield. But you want to prepare to start a sweet love with the help of the system? Um, it seems interesting to think about it this way? But... Why was his first simulation partner his pregnant sister-in-law? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.