Karmagisa

Karmagisa is the slash ship between Karma Akabane and Nagisa Shiota from the Assassination Classroom fandom.

Canon
Karma and Nagisa were childhood friends and often hung out together during their time in Kunigigaoka School. Karma first approached Nagisa when he saw him reading an article about his favorite film director. After hanging out for awhile, an incident in a fast food outlet led to their friendship to decline and eventually reduced to just classmates by the time Karma got suspended at the end of his third year.

Fanon
Karmagisa is the most popular ship within the fandom, it is also the most written ship for both characters.

It is the rival ship of NagiKae.

Fandom
FAN FICTION 

TUMBLR 

Trivia

 * Nagisa was originally going to be female and end up with Karma, but the creator changed it last second.