noun
boyfriend and girlfriend; couple
Slang abbreviation of 彼氏彼女 (kareshi kanojo), used to refer to a romantic couple or the pair of boyfriend and girlfriend.
あのカレカノ、いつも一緒にいるね。
That boyfriend and girlfriend are always together, aren't they?
カレカノの関係って、やっぱり難しいよね。
Boyfriend-girlfriend relationships are really tough, huh.