(Wenye) Are These the People in the Main World?

When people from the so-called parallel world come to the main world—— A. Akutagawa suddenly appeared in the detective agency: Thank you for the invitation, I am having tea with the president. B. Dazai Osamu, who is facing Aimori Ogai: stay away from Mafia and not be a social animal C. I met Nakahara Chuuya from the script duo at the corner: None of the mackerel is good. D. Odasaku, who discovered that his home had turned into an unfinished building overnight: Ah... The four of them got to know each other in the detective agency—— then Double black new melons explode one after another The rogue pie ordered a familiar drink in a familiar bar Akutagawa: ... Here? I'm the only one with no one to accompany me? ① Teacher Akutagawa is fifteen years older than the original Akutagawa and is a writer who became famous at a young age. ②Nakahara Chuuya was adopted by Oda Sakunosuke and went to college ③It is peaceful Yokohama ④Oda Sanosuke left Mafia after the Mimic incident and worked as a supermarket cashier Intention: Hey hey hey hey