: The "original" Level 5 esper who is increasingly suspicious and distressed.
: Interestingly, characters Moritaka Mashiro and Akito Takagi from the manga series Bakuman make a brief cameo appearance walking near Accelerator in this episode. Themes and Revelations
: Index provides thematic commentary by comparing the scientific pursuit of "SYSTEM" (Level 6) to the magical concept of the Tree of Sephiroth from Kabbalah. Episode 10 in Other Seasons