The Kaiju of the ULTRAMAN series, are not just enemies defeated by the heroes. Each has their own special powers, looks, and characteristics which make them all unique. These characters are popular along with the Ultra Heroes.

The main characters of “KAIJU STEP” are the “little Kaiju”. The characters are designed as though the popular Kaiju in the ULTRAMAN series have become little kids. The story is set in the “little planet” where the unique “little Kaiju” try new things, meet new friends and portray each of their little “first steps”.

(Source: Anime News Network)