Zongman: Harem's Music

The romantic travel writer traveled through time and space and became the younger brother of Nishimiya Shoko, the heroine of "A Silent Voice" and the older brother of Nishimiya Yuzuru, a fictional character... Not just the world of "A Silent Voice"?
　　It turns out that I accidentally established bonds with so many girls...
　　The system is finally here... although it's a little late, it seems to be quite immediate.
　　Let's see how the hero, who is blacker than coal after being cut, travels through the familiar anime worlds and becomes stronger, looking for the true freedom of choice.