Conversation so far:
When was Kim Jae-joong's first solo album released?
Kim Jae-joong's first full-length solo album, WWW was released on 29 October 2013.
Did Kim Jae-joong's first album WWW  receive any awards or recognition?
How many solo albums has Kim Jae-joong released?
As a solo artist, Kim Jae-joong has released two studio albums, WWW and No.X
how many songs are the in Kim Jae-joong's second album?
Kim Jae-joong's second studio album No.X contains 12 tracks.
what recognition did Kim Jae-joong's second album No.X receive?

Question: what is the second album about?
Self-contained rewrite: What is the second Kim Jae-joong album, No.X, about?