Reborn Black Dragon: Sign in and Become Stronger!

When Nishizawa wakes up, he travels through time and becomes the fourth black dragon, one of the five colored dragons. Although he is the fourth child, he is simply bound to the sign-in system to become stronger. Sign in on the first day to gain the power of greed. The more wealth you plunder, the stronger your strength will be. Ever since, there was an extremely greedy black dragon in the world. Sign in at the red dragon territory and get the heart of the red dragon. Sign in at the Green Dragon Territory and get the Eyes of the Green Dragon. It will become the new dragon god of the five-color dragon! When I learned that the princess is also one of the wealth. "Not only does a woman not affect the speed at which I draw my sword, but it can also enhance my strength." "Ahem, I'm just interested in power. I definitely don't want to rob the princess." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.