|Kengo Uesugi and Yoshio Arai|
|Name||Kengo Uesugi |
|Affiliation||Yūyami High School |
|Manga Debut||e2. Close|
Kengo Uesugi (上杉 ケンゴ, Uesugi Kengo) and Yoshio Arai (荒井 ヨシオ, Arai Yoshio) are former students of Yūyami High School. They were chosen by Kirio Imizuka under the alias of ǝnígmǝ to attend the second e-test and ended up failing it. They then became consumed by a Shadow as they and Misaki Kamiya betrayed Ryō Kurisu and Jirō Matsurigi. It is unknown as to which name each person carries.