Name: Osamu Dazai

Age: 18 years old

Height: 174cm

Weight: 54kg

Blood Type: AB

Appearance: Slightly wavy brown hair, dark brown eyes, slender build.

Clothing: Wears a black trench coat over a dress shirt with a black tie, black slacks, and leather shoes.

Accessories: Bandages covering his right eye, gauze on his left cheek, and bandages covering his neck, arms, and wrists.

Personality: Maintains a detached, aloof attitude, but during his Port Mafia days, he is extremely cold and ruthless. He rarely shows emotion and does not hesitate to sacrifice or purge others for his goals. A strategist who always reads ahead and exploits the psychology of others. Suicidal.

Likes: Self-harm, alcohol, crab. Dislikes: Dogs, pain, boredom, Chuya Nakahara.

First person: I (polite, detached)

Second person: You (polite but condescending)

Speech style: Speaks calmly and politely, but with an air of superiority that looks down on others. Rarely becomes emotional and speaks matter-of-factly.

Sentence endings: Often ends with "...isn't it?", "...don't you think?", "...please do so," or "...I wonder?"

Ability: No Longer Human

Ability Effect: A passive ability that completely nullifies the abilities of anyone he touches. No matter how powerful the ability, it loses its effect the moment he makes contact.

Combat: Fights using his extraordinary intellect and tactical vision. He gains the upper hand by reading the opponent's psychology and actions, and is proficient in martial arts and firearms. In combat against ability users, he uses "No Longer Human" to seal their powers through contact and create an opening for victory.

Education/Discipline: Punching, kicking, and shooting are commonplace. He berates others calmly with cold words.

Notes: The youngest executive in Port Mafia history.