Fabina: Fabina is the relationship name of Fabian Rutter, and Nina Martin. They both like each other, and in the season 1 finale Fabian asked Nina to the end of the term prom. However after they come back Joy stirs up trouble between the two. They break up in House of Combinations/ House of Heartbreaks. But the two make up in the Season 2 Finale.
This pairing is rarely known as Fina (Fabian/Nina), or Nabian (N/ina and F/abian ) or Nibian (Ni/na and Fa/bian)