|Elemental Gelade Episode 18|
|Name in Japanese||偽りの同契|
|Rōmaji Translation||Itsuwari no Riakuto|
|Release Date||2 August 2005|
|Episode Director||Naoki Hishikawa|
|Previous||Elemental Gelade Episode 17|
|Next||Elemental Gelade Episode 19|
Fictitious React (偽りの同契, Itsuwari no Riakuto) is the eighteenth episode of the 2005 anime series Elemental Gelade. The episode was first aired on 2 August 2005 in Japan, and 29 May 2007 in America.
Viro reacts with Coud and defeats Marl. She leaves the group because Cisqua suspects her of being a spy and devises a plan to group with them again by leading the group to a dangerous part of the desert. She falls victim to her own plan, but she is saved by Coud. She regains Cisqua's trust with her attempt to save them and the group takes her as a guide to Edel Garden.