[Knowing his subordinates inside and out is exactly how Fukuzawa knew to pick Dazai. Kunikida would know more about the files, but he's more of a forthright person and would probably be fooled by Merlin's disguise. Ranpo would see through it instantly, but he was about as subtle as a sledgehammer and would lead to an incident when he directly accused Merlin of whatever he had going on with him after 10 minutes of file-searching. Dazai was the perfect choice because he could both Perceive and keep his cards to his chest, a talent that Fukuzawa made a point of having Dazai use for the sake of good. Let the guy learn how to be a good person, even with his bad habits.
Fukuzawa also doesn't miss that look on Dazai's face when he peeks in at lunchtime, and he nods.]
Just a moment then, I need you to take down a lunch order for me too.
[Fukuzawa, who usually doesn't eat lunch at the restaurant, giving Dazai a couple minutes to say the most important parts first. He's sure Merlin is waiting by the door, which is why Fukuzawa will wave Dazai over to the desk and make a movement like he's writing down a lunch order on a piece of paper.]
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Fukuzawa also doesn't miss that look on Dazai's face when he peeks in at lunchtime, and he nods.]
Just a moment then, I need you to take down a lunch order for me too.
[Fukuzawa, who usually doesn't eat lunch at the restaurant, giving Dazai a couple minutes to say the most important parts first. He's sure Merlin is waiting by the door, which is why Fukuzawa will wave Dazai over to the desk and make a movement like he's writing down a lunch order on a piece of paper.]