Kaibutsu-kun's father, the Great Monster King, suddenly complains of pain in his chest and collapses. It turns out that the rival Demon King has placed a curse on him with the "Demon Sword". Kaibutsu-kun and his three companions head into enemy territory, Demon Land. Prince Demokin, the son of the Great Demon King, appears. Out of curiosity, he invites the monsters to the temple where the demon sword is located.
野沢雅子
as Kaibutsu-kun
肝付 兼太
as Conte Dracula
兼本新吾
as Frank
神山卓三
as Lupo
三輪勝恵
as Hiroshi
川島千代子
as Sis
増山江威子
as Kaiko
