In what year was the album “Depression Sign” released by 12012?

In what year was the album “Depression Sign” released by 12012?: The album “Depression Sign” was released in 2004 by 12012, featuring 4 tracks.
What is the most successful song from the album “Depression Sign” by 12012?: “Boku no Kara Kara” is the biggest hit from the album “Depression Sign” by 12012.

Other artists of J-Pop/J-Rock