Sayonara, Iruka-Sensei!

"With all due respect, Hokage-sama," Iruka began. "Are you sure I am the right person for this... job?" xXx Iruka is chosen to undergo a mission in the hopes of changing the current war-torn world. His task - to defeat the enemy before it ever becomes a threat. xXx [Time-Travel] [Slight Hurt/Comfort and possibly Romance in later chapters] [Iruka-centric]