In what year was the album “Action” released by 유키스?

In what year was the album “Action” released by 유키스?: The album “Action” was released in 2015 by 유키스, featuring 12 tracks.
What is the most successful song from the album “Action” by 유키스?: “You are the reason ～Ending～” is the biggest hit from the album “Action” by 유키스.

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