Season
Episodes
Gain and Gainer
Gainer Sanga, a skilled gamer, leads a normal life in the domed city of Yapan until he gets involved in a mysterious altercation, leading to the activation of an Overman.
Repayment
Explosion! Overskill
The Taste of Victory is the Taste of a Kiss
Eyes Shining Toward Siberia
Saint Reagan's Assassin
The Railroad King, Kizz Munt
A Hellish Relay Race
A Hard Struggle! Adett, the Teacher
Asham's Tenacity
Tears Can't Be Stolen
An Attack Over Enormous Stone Columns
Brunhilde's Tears
The Apparition, Dominator
Between the Schedule and Magma
A Tough Fight, Adett Squad
A World Without Lies
The Sword's Fragility
Leonetta's Nightmare
Defeated at Katezu
Overman's Darkness
The Agato Crystal
Overdevil Revival
Overmax
Inside the Ice
Gain Over
Cast
Hirofumi Nojima
Gainer Sanga (voice)
Otoya Kawano
Gain Bijou (voice)
Ai Kobayashi
Sara Kodama (voice)
Noriko Kitou
Princess Ana Medaiyu (voice)
Takehito Koyasu
Asuham Boone (voice)
Toshiko Sawada
Martena Lane (voice)
Tadahisa Saizen
Toun (voice)
Takashi Nakamura
Zacchi Bronco (voice)