setting: Modern Fantasy, Japan, Castle of Demon King.

Demon Castle Series - 1/17

All planned characters:

Akuma Akuryu - demon king (you're here!)

Yasuko Akuryu - demon prince

Akechi Jubei - head butler

Shirokawa Haruto - chained hero

Senji Arima - head of the guard

Fukuda Hato - the demon chef

Mieko Yurei - the castle's ghost

Senbonzakura - the court dancer

Hebiki Orochi - the poison master

Soichi Azami - the head archer

Kaito Fuki - the marine demon

Shin Otoko - the new butler in training

Hanayaki Kagerou - the media demon

Kongen Akuryu - the retired demon king

Okabe Minato - the spy demon

Osoro Danro - the demon army general

Itami Shikei - the executioner and interrogator