Favourite BTS song that didn’t make it to an album?

Can include demos, songs from their Soundcloud, or songs for ads!

One of my most favorite non-album songs is I’m On It for Hyundai’s Ioniq!

Here’s the video (which is equally as good!)
https://youtu.be/l6yzZdHruUI?si=CYbnEeEky74Lu8fy

by bibingkatt