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I predict the ending of bsd: Ueda and Atsushi do something (and Ryu too), save Kunikida, Junichiro, Fukuzawa and Kenji and some kind of nonsense will start with Fedya. Chuuya tries to kill Fedya with Corruption, he succeeds and then realizes that Fedya will move into him. Chuuya accepts his fate and waits for his death, but does not have time to die and Fedya moves into Chuuya's body. Dazai somehow manages to lure Fedya onto the roof and jumps off with him (let's say Fedya didn't know that Dazai was going to kill him), and since in this scenario Dazai is Fedya's killer, but he dies with him, Fedya cannot move into him and then he dies completely. Either Chuuya doesn't die, we'll see. Well, plus before that some crazy stuff happens, Ranpo finally returns and all that. And then everyone buries Dazai and cries.