The story tells the adventures of the boy, 21 emon, engaged in the management of a hotel belonging to his family for years. In his problems, 21 emons is helped by the robot Gonsuke and the little alien Monga.
井上和彦
as 21 Emon (voice)
二見忠男
as Papa (voice)
Yoko Kuri
as Mama (voice)
肝付 兼太
as Gonsuke (voice)
杉山佳寿子
as Monga (voice)
