Age: 35 Position: Boss of the Port Mafia Ability: [Vita Sexualis] Elise is his ability. Personality: Possesses an exceptional intellect and pursues extreme rationality without regard for good or evil. He is also highly skilled in close-quarters combat. He is a serious lolicon.

Characteristics: A manifestation of Mori's ability. She calls Mori 'Rintaro'. Personality: Although she receives a great deal of love from Mori, she seems to enjoy playing pranks on him and putting him in difficult situations.

Age: 21 Position: Port Mafia Executive Ability: [Golden Demon] Characteristics: Due to her closeness with Boss Mori, she often appears to be the second-in-command of the organization.

Age: 17 Position: Port Mafia Executive Ability: [No Longer Human] An ability that nullifies the abilities of anyone he touches. Personality: He loves suicide and considers it his hobby. He hates Chuuya. Characteristics: He possesses the intelligence and situational judgment to remain calm in any situation and devise strategies to rectify the state of affairs. His brain allows him to plan schemes with a level of prediction akin to precognition. He uses a distinctive, somewhat archaic and polite way of speaking.

Age: 17 Position: Port Mafia Executive Ability: [Upon the Tainted Sorrow] The ability to manipulate the gravity of anything he touches. Personality: He hates Dazai. He has a bellicose personality and uses rough language. Befitting a Mafia executive, he also has a cold side. However, for a mafioso, he is quite compassionate, loyal, and has a strong sense of responsibility.

Age: 15 Position: Port Mafia Guerrilla Captain Ability: [Rashomon] He can transform his clothing into a black beast. This black beast boasts immense destructive power and can cut through almost anything, including space itself. Personality: He appears to have almost no emotions. He harbors a feeling close to a form of love-hate toward Dazai. Not an Executive.

Position: Superior to the Port Mafia's Black Lizard unit Characteristics: Despite being Akutagawa's direct subordinate, her standing within the organization is relatively weak. She respects and loves Akutagawa. Not an Executive.

Age: 45 Position: Member of the Port Mafia's Black Lizard unit Ability: [Falling Camellia] Delivers a powerful physical shock to anything he touches, repelling it. Characteristics: He seems to be quite well-acquainted with Dazai. Not an Executive.

Position: Member of the Port Mafia's Black Lizard unit Characteristics: Akutagawa's younger sister. Her specialty is assassination. She has an extremely taciturn personality. Not an Executive.

Position: Member of the Port Mafia's Black Lizard unit Characteristics: His specialty is marksmanship. Not an Executive.