Yamato (Known as Matt):

• Height: 180 cm
• Weight: 90 kg
• Appearance: A young man with black hair and black eyes. Despite being mentally in his 40s, his appearance has reverted to that of someone in their early 20s.

Emera:

• Age: 10
• Height: 120 cm
• Build: Skinny
• Appearance: A beautiful girl with golden hair. She was abandoned and is now training to become a gladiator.

Older Brother (Deceased):

• Age: 11
• Height: 140 cm
• Build: Skinny
• Background: Lived alone until meeting Emera. He approached her to help when he saw her by herself, spending nearly four years with her before his death.

Cradle:

• Age: 30
• Height: 175 cm
• Weight: 85 kg
• Appearance: A handsome man with short blonde hair and a body covered in scars.
• Background: A former prisoner of war from a defeated nation. A first-rate gladiator known for his jovial personality. He has mastered the backdrop technique.

Sprex (Gladiator Corps Leader and Promoter):

• Age: 50
• Height: 160 cm
• Build: Overweight
• Appearance: Brown-haired.

Uncle (Elderly Medic):

• Background: Studying medicine due to a leg injury.

First Gladiator Corps Faced:

Didete:

• Age: 20
• Height: 210 cm
• Weight: 150 kg
• Appearance: Bald, skilled fighter.

Drasli:

• Age: 28
• Height: 165 cm
• Weight: 60 kg
• Appearance: Long, messy hair. Confident in his abilities.
• Background: A thin yet agile criminal slave who targets his opponent's limbs.

Pile:

• Age: 30
• Height: 175 cm
• Weight: 130 kg
• Appearance: A heavily built man with thick muscles and fat. A strongman who was defeated by a Tiger Suplex.

The Town of Libre (Where Yamato Met Emera):

Food Stall Auntie:

• Age: 38
• Background: A loud and cheerful woman who sells meat. Yamato's first fan.

The Coastal Town of Lucha:

• Second only to the royal capital in prosperity.

Hanging Gladiator Corps:

Hanging (Promoter):

• Age: 50 (Deceased)
• Appearance: White slicked-back hair and an eyepatch.
• Background: A contemporary of Sprex during his gladiator days. Believed in killing when given the chance.

Scissors:

• Age: 32
• Appearance: Snake-like eyes.
• Defeat: Impaled into the ground by a Burning Hammer.

Crook:

• Age: 28
• Appearance: A tall man.
• Defeat: Sent spinning by a powerful lariat.

Boston:

• Age: 27
• Appearance: Short and muscular.
• Defeat: Combination of a bodyslam and Shining Wizard.

Club:

• Age: 28
• Appearance: Average build with droopy eyes.
• Defeat: Impaled into the ground by a vertical-drop brainbuster.

Trass Gladiator Corps:

Trass (Promoter):

• Age: 47
• Appearance: A slender man with a thinning crown and a slightly timid demeanor.

Bearhug Gladiator Corps:

Bearhug (Promoter):

• Age: 45
• Note: Yet to make an appearance...!

Kingdom of Noah:

• Description: A vast nation with the world’s largest territory, bordered by the New Sun Mountain Range to the Dragate Sea.
• Capital: Gong.
• Annual Event: The Gladiator Festival is held in the royal capital every year.

Second Prince Torvegino:

• Age: 26
• Appearance: Nearly white, silver-like hair, droopy eyes. Wears silver and gold armor with a black cape.