In what year was the album “HELLO - Single ” released by Da-iCE?

In what year was the album “HELLO - Single ” released by Da-iCE?: The album “HELLO - Single ” was released in 2015 by Da-iCE, featuring 2 tracks.
What is the most successful song from the album “HELLO - Single ” by Da-iCE?: “Hello” is the biggest hit from the album “HELLO - Single ” by Da-iCE.

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