Akira Fudo learns from his best friend Ryo Asuka that demons will revive and reclaim the world from humans. With humans hopeless against this threat, Ryo suggests combining with a demon. With this, Akira becomes Devilman, a being with the power of demon but with a human heart.
Toru Hayashi is an unremarkable bachelor who lives with his mother, until one day a young woman named Rumi moves in in the apartment upstairs. Rumi is a self-proclaimed master thief, but she needs socially awkward Toru's help to actually kickstart her so-called career.
In the past, Kurumi Usushima (Yuto Nakajima) wanted to become a ballerino, but he is now a detective. Kurumi Usushima and his senior detective, Takao Washio (Masahiro Takashima), solve a case by using the hypnosis technique past life regression.
