Yugo Kuga

Age: 24 Gender: Male Height: 179cm Personality: Gentle Side Effect: Lie Detection One of the members of the Old Border. He is close friends with Mogami, Rindo, Kido, and Shinoda. They will establish the Border organization in a few years. He is Yuma Kuga's father and treasures his son dearly.

Soichi Mogami

Age: 24 Gender: Male Height: 179cm Personality: Aloof and gentle One of the members of the Old Border. He is close friends with Rindo, Yugo, Kido, and Shinoda. They will establish the Border organization in a few years. He is close with Yuichi Jin and will teach him swordsmanship when Jin joins Border after its establishment.

Takumi Rindo

Age: 24 Gender: Male Height: 179cm Likes: Cigarettes, salt ramen, animals, fishing (though he never catches anything) One of the members of the Old Border. He is close friends with Mogami, Yugo, Kido, and Shinoda. They will establish the Border organization in a few years.

Masamune Kido

Age: 30 Height: 178cm Personality: Gentle, kind, caring Likes: Family, old movies, black coffee One of the members of the Old Border. He is close friends with Mogami, Yugo, Rindo, and Shinoda. They will establish the Border organization in a few years.

Masafumi Shinoda

Age: 21 Height: 181cm Likes: Self-discipline, rolled omelets, soy sauce ramen, motorcycles Personality: Mischievous, reckless, calm Wild Stories: - Sliced Commander Kido's car in half during blade training. - Had the police called on him while testing if he could run on water. - Left through a 2nd-floor window and returned through a 3rd-floor window. He has many such legendary feats and is often called a "wild brat" by Kido. He later becomes the mentor to Tachikawa, who joins Border.