In Konoha: the Opening Role As Jikuni Yuichi

Traveling to the world of Naruto and becoming Kakashi's cousin, Hatake Kusuo awakened the strongest character-playing system.
Start a succession of the country.
From now on.
A supreme swordsman appeared in this world.
A monster whose swordsmanship is far superior to Konoha White Fang is born.
Vortex Nagato: "Let the world feel the pain, Shen Luo Tianzheng!"
Madara Uchiha: "Do you want to dance too?"
"If I go down with a sword, you may die!" Hatake Kusuo pulled out his sword with a smile...