Osamu Dazai

"Motto: A bright and lively clean suicide."Osamu Dazai is a member of the Armed Detective Company and is the wielder of the ability No Longer Human.

Appearance
Dazai has mildly wavy short dark brown hair and narrow dark brown eyes. His bangs frame his face, while some are gathered at the center of his forehead. He is quite tall and slim in physique.

For his attire, Dazai wears a long tan trench coat over a black vest and a striped dress shirt that is light blue in hue. He has a bolo tie around his collar, which is held by a brown ribbon and a turquoise pendant. He also dons beige pants, dark brown shoes, and has bandages wrapped around his neck and forearms.

Before Dazai joined the armed detective company, in the mafia Dazai wore a dark trench coat that reached under his knees. He also wore an eyepatch which took up half of his face.

Personality
Dazai is a mysterious person, his true intentions are never revealed unless he himself reveals them. Dazai is usually called lazy as Kunikida always scolds him for being unproductive and slacking off. Nonetheless, he's quick on his feet, cocky at times, smart, clever and decisive. Aside from his quick thinking, Dazai is the comic relief in the series and at times Dazai's soft side can be seen. However, Dazai desires nothing more than to commit suicide.

Ability
His ability lets him nullify others' abilities on contact. His ability relies on skin contact, so he is unable to use it when he is restrained which is the only disadvantage to his ability.

Background
Dazai appears to be part of the Mafia prior to the story, and he is one of the Mafia Executives. He is said to have developed the stalking and torture techniques of the Mafia, and trained Akutagawa in using his ability. The reason on Dazai leaving the Mafia is currently unknown.

Trivia

 * He, along with several other characters, made an appearance in the mobile game Love Heaven as a limited time character.
 * His constant attempts to commit suicide with a beautiful woman could be an allusion to his real life counterpart's attempted double suicide with Shimeko Tanabe and Hatsuyo Oyama. His attempt with his lover Tomie Yamazaki was ultimately successful.
 * It's also possible that his suicide attempts serve as a reference to No Longer Human 's protagonist Ōba Yōzō's multiple suicide attempts throughout the story, which is considered to be a reflection of Osamu Dazai's turbulent life.
 * He was the youngest boss in mafia history.
 * In real life, he is often grouped together along with Ango Sakaguchi and Oda Sakunosuke as the Buraiha or Decadent School. 
 * And on the series, this is often alluded, because the three used to meet in a certain bar, as seen in Dazai and the Dark Era, and illustrated on the calendar.