A student at Joa Elementary School. She is Power Ranger Pink. Her Ranger name is Heart. She is Na Yijuk's rival. She fights whenever villains appear. When she transforms into Power Ranger Pink, she fights villains using a whip. The giant robot she pilots is the Pink Mecha.

The giant robot piloted by Lee Yumi. It is controlled using a joystick. Its attacks include missiles and jetpack missiles. It is capable of flight. Its primary weapon is a sword. Its ultimate move is the Sword Jump.

A student at Joa Elementary School. He is Power Ranger Black. He is in the same class as Lee Yumi and is her rival. He fights whenever villains appear. His Ranger name is Dark. When he transforms into Power Ranger Black, he wields a sword. The giant robot he pilots is the Black Mecha.

The giant robot piloted by Na Yijuk. It is controlled using a joystick. Its attacks include missiles and a heart laser fired from its chest. Its primary weapon is a sword. Its ultimate move is the Big Sword Suede.

The final boss. He possesses a magic staff that can transform things into monsters. If his invasion of Earth fails, he loses his temper and uses his magic.

Blazing's subordinate. He has immense muscles. He is incredibly strong, capable of lifting heavy objects and punching opponents so hard they fly great distances. He loses his composure whenever he sees delicious food.

Blazing's scientist. He is skilled at invention. He creates many giant robots and legionnaire robots. Beyond just robots, he frequently manufactures guns and various weapons. He is loyal to Blazing.