|Hataraku Maou-sama! Light Novel Volume 15|
|Release Date||February 10, 2016|
|Number of Pages||312|
|Cover Character/s||Emeralda Etuva, Sadao Maou, Chiho Sasaki, Emi Yusa|
|Previous Novel||Light Novel Volume 14|
|Next Novel||Light Novel Volume 16|
The Demon King, finally receives training to become a fulltime employee! Meanwhile, Chiho and Emeralda are facing another worldly crisis by planning a Christmas Party.