The album contains two singles, "몇 년 후에 (A Few Years Later)", which was pre-released on March 28, 2016; and "Toy", which was released with the EP.

[1] "몇 년 후에 (A Few Years Later)" was released digitally on March 28 and is described as 'neo soul genre music'.

"몇 년 후에 (A Few Years Later)" and "Walkin' In The Rain"'s lyrics' were written with Park Kyung.

[5] The group also appeared on You Hee-yeol's Sketchbook on the same day and performed the two singles from the album, along with their other songs.

[7] The group won its first music show trophy for "몇 년 후에 (A Few Years Later)" on Inkigayo on April 10.