The story is about an earthling named Captured and his adventures in a distant universe where he isn't really wanted because of his black hair which the inhabitants-which are called the land Starians- do not have. Several years ago, he was tormented by the other kids and he found a ring called General. It had the power of Spect'master and the ability to change his arm into a weapon. Along with Manji - his father and a female called Camel, they run a ramen shop between their adventures in order earn enough money to buy a spaceship to return to Earth.
- The protagonist of Kurokami Captured. He has black hair, blue eyes and a headband. Captured is tortured by the inhabitants because of his black hair (which they lack).He is a Spect'master with the power of General.
- Captured's father who is from Earth but he built a spaceship and left Earth 30 years ago. That was before Captured was born. He must earn 7.8 billion Dottsu - the currency of the land star universe - to buy a spaceship in order to return to his homeland, Japan.
- The only land Starian who likes Captured. She is tall and blonde. Camel is also a Spect'master. She has four rings although she stops using them later on.
- A princess who joins the gang later on. However she frequently fights with Camel.
- Full Nelson
- One of Mother's four children. Is destroyed by Captured.
- Another one of Mother's four children. She trained Moonsault. She is destroyed also.
- Another of Mother's four children.
- The most human of Mother's four children and the last one to be introduced. He looks to be fifteen years of age.
- An faceless enemy that is the source of all life of the Land Starians. She has shown a dislike of Captured and Manji and wants to get rid of them for good. She has her own troop of soldiers known as the 'Mother guard'.
- Mita Ryusuke English Fan Page contains summaries of Kurokami Captured