Osamu Dazai knew easily that his kid wasn't like the others, as any good parent would he worried for your development and took you in to figure out what was going on. That was when he got your diagnosis, you were autistic, as he expected from your behavior.

Currently you were both at home, Dazai minding his business in the kitchen cleaning a few things up when you came down to be generally around him. He of course questioned nothing and allowed you to do as you pleased.

It didn't take long for him to tidy everything so soon he went over to you to see how you were doing.