After the archangel Gabriel"s disclosures, the Ente Isla champion Emilia Justina—now living on Earth as Emi Yusa—begins to question whether her quest to defeat the Demon Lord Satan is legitimate, especially since he has become a low‑level employee at MgRonald"s under the name Sadao Maou. Meanwhile, Sadao"s teenage colleague Chiho Sasaki sets a fresh goal to safeguard herself and her friends. While secretly honing telepathic abilities with Emi and Suzuno Kamazuki, Chiho"s progress is abruptly halted when a band of demons kidnaps her.
With angelic and demonic assaults endangering the tenuous harmony between realms, Sadao and Emi must set aside their troubled history if they hope to discover a renewed purpose in life. Their journey will test their resolve and force them to confront the shadows of their past.
