Naruto, starting with his love confession to Tsunade

Furukawa Io traveled to the war-torn Naruto World War II and became an ordinary Chunin. He unexpectedly awakened the [Task Reward System], and received an outrageous task of "confessing to Tsunade-sama" at the beginning! S-level super strength, blood limit, forbidden technique fragments... The rewards are so good! Let's see how Furukawa Io relied on the system to quickly rise in the troubled times and become the pinnacle of the ninja world!