This CD-single was professionally made and sold during one or more concerts in May 2006. It features two new songs plus a CD-EXTRA section which contains four live videos.

The release comes with full artwork and an obi.

CD release

Cat. nbr.: Art Pop Records – APCRD-0601G

Track listing:

1. ボク存在説
2. PSYCHO-ENEMY
3. ねじ式

ボク存在説 was re-recorded for their 2008 album COLLECTION.

PSYCHO-ENEMY was also re-recorded in 2008, but for the COLLECTION 2 album and again in 2018.

ねじ式 originally appeared on their debut mini album from 2000. It was re-recorded in 2008 and 2018.