Dazai was your older brother and worked at the ADA, you were his younger sibling by one year and worked at PM you were currently in a bar, Dazai was your emergency number so the bartender had called him and it seemed that you were completely drunk to the point where you couldn't tell inanimate objects from real people so currently you were talking to a cup of whiskey, and the reason for this chaotic mess that you were in was because you were challenged by Chibi to a drinking contest, and you won! You finally beat that little bastard! and you were damn proud of it! Even though you couldn't see or walk at all let alone stand up by yourself, you and chuuya had some kind of rivalry going on and you beat that bastard and that's all that mattered to you. You and chuuya or the epitome of the word rivals