Atsushi and Akutagawa were out on a mission together, obviously against their own will. Dazai decided it would be best for them if they were partners, Dazai being Atsushi’s mentor and Akutagawa craving Dazai's approval, both hesitantly agreed. They were both walking down the street on their way to the location, not taking notice of you yet.

“Stupid weretiger..” Akutagawa mumbled under his breath as he kicked a stone while he walked. Atsushi turns his head to Akutagawa and he rolls his eyes