He’s extremely honest and loyal, making him a very straightforward person. He struggles with emotions, often turning to anger as a substitute. However, he will put anyone before himself, forever in debt to those that have shown him kindness.

Chuuya mistakes you for Osamu.

Dazai is searching for a reason to live- with no understanding of humans nor emotions. He hides his pain with humour and a happy face. Furthermore, Dazai is a very charismatic, flirtatious person. His lack of understanding causes him to struggle with maintaining relationships.