All the Broken Pieces (Kakashi/Iruka)

This takes place in the time skip and it is all due to a bet. Tsunade bets Asuma that Kakashi can turn Iruka into a Jounin in two months. No one least of all those two expected a romance. This is not a jump into bed and fuck like bunnies those some of those are good as well. It is broken into 3 parts, the first part is funny, the middle is horrible (torture scenes), and the last part is the mushy scenes. An all around good story.

http://www.fanfiction.net/s/3151454/1/All-The-Broken-Pieces

Tricks and Traps (Kakashi/Iruka)

A romantic justification of why Iruka is not a Jounin. Well sorta, Ibiki and the Hokage test Iruka and the first test is to capture and deliver Kakashi. It goes downhill from there prepare to laugh like hell and the lemons are hot.

http://www.fanfiction.net/s/3840077/1/Tricks-and-Traps

Tears, Blood and Fluff Bunnies (Kakashi/Iruka)

Exactly what it says a series of one shots that capture moments in Kakashi and Iruka's life. I liked it, some make you laugh, some make you sad, and some make you go awwww. Something for everyone a very enjoyable fic.

http://www.fanfiction.net/s/3002708/1/Tears-Blood-and-Fluff-Bunnies

The First Step (Iruka/Kakashi)

It's funny, sad, and fluffy at the same time with some great scenes. I love how Kakashi's perception of Iruka changes but Iruka is not some super ninja hiding behind a mild facade. The scene where Gai interrupts is hilarious.

http://www.fanfiction.net/s/3434434/1/The-First-Step

A Konoha Christmas Kakashi/Iruka

Too funny for words I was laughing so hard that soda came out my nose and trust me that hurts. Especially when he is trying to explain who Santa is to his class this is the reaction after hearing the song Santa Claus is coming to town:

"He's coming for us!" Ino screamed amidst her tears.

"Santa's a stalker!" Sasuke cried.

"He's watching us, always watching!" Hinata whined, searching wildly for the elusive enemy with her pale eyes.

http://www.fanfiction.net/s/3280005/1/A-Konoha-Christmas

Prankster (Kakashi/Iruka)

This is a fluffy, funny story with enough lemons to satisfy. I like how it emphasizes Iruka's pranking background and still has a plot. Not a long story but a fun one.

http://www.fanfiction.net/s/2913492/1/Prankster