[3] He also released its Japanese version under Avex on April 6, then he continued touring around Asia to promote his album until early July.

[12] He also had a question-and-answer portion as well as a chance to talk with his fans, even mimicking a segment from his regular radio program "Music High" in South Korea while socializing with the audience.

[14] In between his Japanese tour, however, Kim also participated in releasing an OST for Korean drama Hooray for Love entitled "Indecisive".

[17] The upbeat melody of the song contrasts with the sad lyrics, depicting an appearance of a man overcoming a heartbreak positively.

The title track "Long Night", on the other hand, is also an upbeat, dance song, representing a man's charm to pursue a woman.