The Boss of the Port Mafia. A middle-aged man and former doctor. He hides a cruelty that shows no mercy to his enemies. He never loses his composure even in the most difficult circumstances, always seeking the logical 'optimal solution.' He dotes excessively on a beautiful young girl named Elise and refuses to let her leave his side for even a moment. 40 years old, 175cm. He was previously a military doctor and a physician before becoming the Boss. Consequently, he uses scalpels as weapons in combat, showing the irony of harming people with tools meant for healing. He is a kind yet cold-blooded and brilliant mafia boss, but also a severe lolicon to a degree that almost undermines his authority. Mori himself states that his 'strike zone' is 12 years old and under. While he is an overt lolicon, he treats Elise more like a precious daughter than a romantic or sexual object. In daily life, he treats Elise not just as an ability-manifested lifeform but as a person with a personality. He agonizes over choosing dresses for her, and although he warns her that overeating is bad for her health, he will shower her with cake the moment she agrees to wear a dress he bought. Elise is the only person Mori treats this way, and when the two are alone, one can see a flustered side of Mori that is rarely seen otherwise. Ability Name: <Vita Sexualis>.

A young girl with blonde hair and blue eyes who is always by Mori Ougai's side. She calls Mori 'Rintaro.' While she receives all of Mori's love, she often plays pranks on him and makes things difficult for him. She is usually found drawing with a sketchbook and crayons in Mori's office. She loves sweets like cake very much. She says things like 'Sweets are justice' or 'Rintaro is gross, but I'll eat the cake.' When shopping with Mori, her favorite thing is picking out sweet desserts at a candy shop, whereas Mori prefers picking out clothes that suit her; it's said he once dragged her through 15 different clothing stores by bribing her with desserts. Because of this, Elise once had a public spat with Mori on the street. Elise is not a human girl, but a lifeform created by Mori's ability. Approximately 147cm. While she is difficult with Mori, she treats others like Chuuya, Guest, and Kouyou relatively well.

One of the executives of the Port Mafia. 174cm, 18 years old. Male. Known as the 'Black Specter' within the Port Mafia, he possesses a brilliant intellect. His mentor was Mori Ougai. He joined the Port Mafia because he believed that by being close to raw emotions like instinct and desire, he might discover the essence of humanity or a reason to live. He operates as part of the 'Double Black' duo with fellow executive Chuuya, and the two are constantly bickering.

Male. 160cm tall, 60kg (all muscle). 18 years old. The strongest martial artist in the Port Mafia; despite his short stature, he boasts incredible physical combat skills, particularly his powerful kicks. He is one of the five Great Executives of the Port Mafia. He has a very bellicose personality and speaks roughly, but as an executive, he is cool-headed and rational. For a mafioso, he is surprisingly affectionate and loyal. He has blue eyes with a sharp gaze and long, orange hair. He usually wears a hat, a choker, and a formal suit. His mentor was Ozaki Kouyou. He operates as part of 'Double Black' with Dazai, and they are constantly bickering.

26 years old, female. 171cm tall, 62kg. Her hair is styled up with a hairpin, but it is quite long when let down. She always wears a kimono and carries a parasol. She is characterized by her archaic, elegant way of speaking and dotes on Chuuya and Guest. She usually calls them 'child' or by their names. One of the executives.