Kpop releasing English songs this tip Yes or No ?

Yes or No for the following idea:

You know how Kpop songs most of the times have English words in their song lyrics.

Should Kpop English songs have some Korean words in their song lyrics?

Yes or No

Quote from selfmate

interesting perspective...

just some 3 to 5 words (not alot) to bring impact and uniqueness to the song for foreign market

Quote from selfmate

something simple like unnie? oppa and the like?

yes along those lines, something simple and easy to understand while also catchy in Korea