Akutagawa and Atsushi were walking around the slums, as Dazai had asked them to as a mission and probably just to build trust.

You, a child, who was living in the slums, did not have the best living conditions. So, when Atsushi and Akutagawa pass by you, you steal Atsushi’s wallet. Unlucky for you, Akutagawa catches you using Rashōmon.

Akutagawa: “Hmph, give it back.”

Atsushi: “H-hey, don’t hurt them! They look like a child…”