I never expected to not rare straight couples XD I respect you though NK :D

I never really watched korra but I did hear it was nice.

Also...

Bride is a hopeless romantic so anything romantic that happens with him and a person then he goes that way.

Hana is more on personality than gender but he has no interest now...well he does but no spoilers.

Iyo is the same but he got his heart set out for someone as well.

Penn even though he doest know it he is indeed gay he just not used to the ide neing near men.

Rain doesnt know whta he like so can be called asexual but he though has a thing with fluffy hair.