In what year was the album “UNCHANGING, PART 1 - EP” released by Shinhwa?

In what year was the album “UNCHANGING, PART 1 - EP” released by Shinhwa?: The album “UNCHANGING, PART 1 - EP” was released in 2016 by Shinhwa, featuring 5 tracks.
What is the most successful song from the album “UNCHANGING, PART 1 - EP” by Shinhwa?: “Orange” is the biggest hit from the album “UNCHANGING, PART 1 - EP” by Shinhwa.

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