What title is the song in the korean tv drama "The Imperial House" or "Goong"?

Question

this song is played every end credits of the episode, i think it is a duet.. its chorus goes like "is it love? my heart keeps loving you,,"
something like that.. its a very nice song.. i want to know the title of that song.. please.. help me..

the song is korean, but the interpretation of the song in english is something like "is it love? "

Answer 1

The songs name is: 'Perhaps Love 사랑인 가요' (Sarang in ka yo)
Sung by Ha Wool and Jay 하울 앤 제이

Im pretty sure thats the one you are after, its been a while since I last saw Goong.
Hope it helps.