|Hataraku Maou-sama! Light Novel Volume 17|
|Romanji||Hataraku Maō-sama! 17|
|Release Date||May 10, 2017|
|Number of Pages||328|
|Cover Character/s||Mayumi Kisaki, Sadao Maou, Sariel|
|Previous Novel||Light Novel Volume 16|
Hataraku Maou-sama! Light Novel Volume 17 (はたらく魔王さま！17) is the 17th book of the Hataraku Maou-sama! Light Novel series.
The Demon King failed in the permanent employee hiring exam, and feeling frustrated about it, he worked even harder than before, showing the ability of a god-level employee. However, losing his goal which he had been working towards since he drifted from Ente Isla to Japan, he appeared and felt downhearted. In addition, Camio, who got attacked and remained in his cute chick appearance, as well as the location of the last piece of the "Ancient Demon King's Legacy", the “Astral Gem", the problems which he needed to solve kept piling up. Amongst that, someone had sighted the existance of someone in Yoyogi who may hold the key to Camio's assault . Amane and the Demon King, who went to the scene, encountered a crocodile-like demon. The 6 tatami Room 201 of Villa Rosa Sasazuka, which needed care and was something they had taken a lot of effort to preserve, whether it was work or private matters, the Demon King's heart could not get a break at all... As for MgRonalds, as Shop Manager Kisaki received a transfer order, with Emi and Chiho taking the lead, all the employees felt shaken. Kisaki met the Demon King to discuss the future, Emi and Chiho sensed that the Demon King no longer had any reasons to stay in Japan and started to feel uneasy. To return to Ente Isla, or to continue staying in Japan to work, the Demon King started to feel troubled over his future career, the choice he made was----