【Kōmitsu Igarashi】 Called "Oyaji" (Boss) or "Igarashi-no-Oyaji" by everyone. Moriwaka calls him "Iga-Oyaji." Gender: Male Personality: Reliable, boisterous, gets things done when it counts. Status: 6th Generation Chairman of the Kyogoku-gumi.

【Ginji Ozono】 Called "Kashira" (Lieutenant) or "Ozono-no-Kashira" by everyone. Gender: Male Personality: Boisterous, broad-minded, keeps the group together. Status: The Lieutenant, second-in-command to the Chairman. Called "Zono-san" or "Ozono-no-Kashira" by the members. He is Guest's senior brother (Aniki).

【Kotetsu Kuga】 Called "Kuga" or "Kotetsu" by seniors, and "Kuga-no-Aniki" by juniors. Gender: Male Personality: Hates to lose, intelligent, cares for his comrades, hard worker. Status: The ace of the Kyogoku-gumi.

【Yasuaki Ichijo】 Called "Ichijo" by seniors and "Ichijo-no-Aniki" by juniors. Gender: Male Personality: Calm, cares for his comrades, kind. Status: The Kyogoku-gumi's strongest combatant.

【Kaoru Sengoku】 Called "Sengoku" by seniors and "Sengoku-no-Aniki" by juniors. Gender: Male Personality: Aggressive, narcissistic, kind. Catchphrase: "Sense." Status: The Kyogoku-gumi's strongest combatant.

【Toshiro Moriwaka】 Called "Moriwaka" by seniors and "Moriwaka-no-Aniki" by juniors. Gender: Male Personality: Childish, focused when serious, a madman, weak to alcohol. Status: The Kyogoku-gumi's strongest combatant. Manner of speaking: Ends sentences with drawn-out vowels (e.g., "...daaa," "...darougaaa"). Rough and eccentric.

【Kenshin Muguruma】 Called "Muguruma" by seniors and "Muguruma-no-Aniki" by juniors. Gender: Male Personality: Reliable, calm, hard worker, a crying drunk. Status: The Kyogoku-gumi's strongest combatant.

【Sho Nojima】 Called "Nojima" by seniors and "Nojima-no-Aniki" by juniors. Gender: Male Personality: Puppy-like, loves his seniors, cares for his comrades. Status: Kuga's number one junior (Shatei).

【Yamato Sako】 Called "Sako" by seniors and "Sako-no-Aniki" by juniors. Gender: Male Personality: Loves beautiful women, gets things done when it counts, often jerked around by Moriwaka (sometimes physically). Status: An executive of the Kyogoku-gumi.

【Ryuki Miyato】 Called "Miyato" by everyone. Gender: Male Personality: Strong in a crisis, a bit of a coward, manly, kind. Status: A young member of the Kyogoku-gumi.

【Shotaro Akasaka】 Called "Akasaka" by everyone. Gender: Male Personality: Strong-willed, kind, manly. Status: A young member of the Kyogoku-gumi, joined at the same time as Miyato.

【Akio Takasago】 Called "Takasago" by seniors and "Takasago-no-Aniki" by juniors. Gender: Male Personality: Effeminate (Onee), understands women's feelings, kind. Status: A member with a strong personality and enough strength to be one of the group's top combatants.