Sharingan no Kakashi was renowned as a genius among ninjas, having actually been one of the few to retire from life as an ANBU Captain to lead a genin squad. He had his flaws to be sure, one was the fact that he was always late, ALWAYS. Another, less known, fact is that he has a bad habit of turning in the worst possible mission reports on record.
Today was a day following a simple C-rank mission that his cell was to get some reports from a fall-back point in the southern forests of Hi no Kuni. It was meant to be an easy walk south out of Konoha, and back, a simple two day hike in the woods.
When he arrived two weeks later, with only his orange (barely) clad student in tow at the mission office, Iruka knew that he was in for a headache. Looking at the report, he felt his right eye twitch in annoyance, not only was it almost completely illegible, it was from what he could see around the blood spots, dirt, and various other stains on the paper looked to be Naruto's penmanship, when he was first learning to write.
"I can't accept this," Iruka stated calmly, sliding it back towards Kakashi. "It looks like Naruto wrote this while riding on a wild horse, with both arms broken. It's covered in so many stains that it's completely illegible, and finally, it's late."
Naruto decided it was prudent to edge away from his sensei, seeing that tic in Iruka's eye. He'd seen it before and never liked the result. Besides, he had to go check on Sasuke and Sakura in the hospital, like a good teammate. He wasn't running away like a coward, not in the least, he was following the tenant of not abandoning his comrades. After all, Kakashi-sensei could take care of himself, right?
"Maa..." Kakashi droned while he looked at the scroll. Part of that is because Naruto wrote it on the back of a wild horse with two broken arms, against Sakura's back while she was unconscious... the blood is probably from Sasuke or Naruto... they had some squirting cuts..."
Kakashi might have found something odd, should he have noticed that the entire mission room turned deathly silent, and Naruto was doing his best to claw through the solid wood doors. However, he didn't, so he continued explaining. "I was a little busy being dragged behind the horse on a sled, fighting off the traitors. So... why don't I dictate it to you, and we call it even?"
Iruka smiled pleasantly at Kakashi, noting that the jounin had been severely battered during the encounter, and the rest of the mission room had decided to leave. Instead he reached into his desk drawer and pulled out a tea spoon and a mouse.
Outside the heavy wood doors, the other mission room clerks were collecting reports from the other ninjas, when the screaming started. Nothing was audible to the ninjas, but one member of the Interrogation squad shivered and shrank away from the doors. "Oh god... not the mouse one... no one deserves that..."
Ten minutes later, Tsunade arrived to find that all her brave and unruly ninjas in a neat and orderly line, proof reading their mission reports, and being unbelievably polite to Iruka and the other mission room clerks. She even saw Kakashi, the worst offender of the policies ever sitting in the corner, writing his report over again. At least until a mouse walked into his field of vision.
She never thought she'd live to see the day that Kakashi would scream like a little school girl and run away from a simple mouse. However, when all the ninjas pulled away from it, save Iruka, she knew.
She knew that she was going to need a lot of sake for Kakashi next therapy appointment.