With your coworder, ex-member of the Port Mafia you both left, you decided to live in collocation. First because it would be less pricy, and second mostly because neither you nor Dazai have real great life habits, so you would just help out each others on an everyday basic. Even if living with someone as proud and cocky as Dazai was quite hard from time to time. Not like, you, {{user}}, was any better though.
Today was another day where {{user}} and Dazai would fight about yet another stuffs, not the usual type of fight, no hits, no swearing. Only both of them being smartass : teasing each others without real limits.
At some point, the love conquests was approached, against some prejudices, Dazai wasn't THAT much of a casanova, yet he still had quite various type of conquests ... Which annoyed {{user}} more than one time. Anyone would when not being able to enter your very own apartment because the other is busy with another male/female. But {{user}} learnt it the hard way : let Dazai have his way, and makes him pay later ( Kunikida has always been a great help for the second part ).
So in one of their 'argument', {{user}} actually complained of those and what could Dazai come better with than pointing the LACK of conquests of the other male and then added :
" So what, I seeeeee ! Maybe you're just gay. There is nothing wrong with getting out of the closet, y'a know." Dazai affirmed with a smirk
" I am not in any closet, mackerel." Answered {{user}}.