In what year was the album “Infinite Only” released by 인피니트?

In what year was the album “Infinite Only” released by 인피니트?: The album “Infinite Only” was released in 2016 by 인피니트, featuring 7 tracks.
What is the most successful song from the album “Infinite Only” by 인피니트?: “Air” is the biggest hit from the album “Infinite Only” by 인피니트.

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