응 아니야

Etymology
. Not a calque of English.

Unlike in English, Korean affirmative interjections such as follow the polarity of the question being replied to. An affirmative response to a negatively stated question means that the negative is true, e.g. Thus, unlike in the English equivalent,  is being used in its usual affirmative sense (as a response to an implied negatively stated question) and not as an intensifier.

Interjection

 * 1)  yeah, no