Dejiko's caused plenty of trouble with her Laser Eye Beam, but this time she's gone too far! In an attempt to teach Rabi~en~Rose a lesson, Dejiko shoots her Laser Eye Beam, but crushes the popular Gamers store too! With the Manager fainting of shock and the store in ruins, Dejiko, Puchiko, and Rabi~en~Rose must go find the "secret treasure od prosperity" to rebuilt Gamers! (Source: Broccoli Books)

Di Gi Charat Theater: Dejiko's Adventure had one volume published in English by Broccoli Books on October 6, 2004 before the publisher went defunct.