Their second single which comes with three non-album songs. It did not promote any album at the time. This was the so-called black edition. A silver one was made available as well with three different songs. This single was released with an obi in a slim jewel case.

CD release

Cat. nbr.: Art Pop Records – APCRD-0101

Track listing:

1. 僕の右脳　猿の左脳
2. ジキルでハイド
3. INFORMATION

僕の右脳　猿の左脳 was re-recorded in 2008 for the album COLLECTION 2. The song INFORMATION was re-recorded for their 2007 album サイクルリサイクル.