In what year was the album “untitled” released by Arashi?

In what year was the album “untitled” released by Arashi?: The album “untitled” was released in 2017 by Arashi, featuring 6 tracks.
What is the most successful song from the album “untitled” by Arashi?: “Come Back To Me” is the biggest hit from the album “untitled” by Arashi.

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