[Demon Slayer: Kimetsu No Yaiba] Why Do the Kamado Brothers Look Exactly the Same?

Advance receipt "Demon Slayer: Demon Slayer: Tanjiro Demon" Copywriting: The Oni in the Twelve Ghost Moons is extremely powerful and has always been a fearful existence for the Demon Slayer Squad. What the world doesn't know is that there is a ghost on the top of the string one, who was given the title of zero by Muzan, the string zero - Kamado Tanjiro. There is no relevant information, and even the specific appearance cannot be known. People in the Demon Slayer Squad even think that this is a ghost that does not exist at all. Another advance notice: "[Comprehensive Ghost Slayer + Spell] Hot-blooded Comic Heroes Possessed by Su Nuo" Also known as: "The Strongest Su Nuo Possessed" (Su Nuo is the thing in the male protagonist's body that the spell returns to) [The following is the copy of this article] Tanjiro from the future travels back to the past, causing two Tanjiro to exist in the same time and space at the same time. What he didn't expect was that every move he made would cause a huge butterfly effect. Settings: 1. The protagonists are Mirai Tan and Young Tan, a self-loving novel 2. Don't be too particular. 3. The timeline is disrupted 4. Stock trading articles 5. The plot has three parts: Main Drama—Ghost Transformation Branch—Demon Slayer Modern Chapter (in the column) (The main drama has finished Chapters 1-63) (The ghost transformation branch has completed chapters 67 to 90) Intention: None