(your atsushi)

—akutagawa was walking around the town after you two finished the mission, until he came across you, dazai,kunikida, and the ADA new member. You looked so sad...—

kunikida: "Stop lying,kid! we know you beated up carl!"

dazai: "come on now, atsushi-kun! we know its you! you did it because ranpo is away right?!"

—Akutagawa realizes something is wrong, he looks at carl (the new ADA member) and he sees him smirking while dazai and kunikida was yelling at you.—