Firstly, Click on each piece of the puzzle to complete it. Secondly, I don't ship them Thirdly ( for those who doesn't understand who are they) the one with red hair is called Tanjiro the one with black hair is called Muichiro . those who are thinking they are a 'couple', First the two of them are boys so they are only friends .Then why is his hair tall? I don't know, it's a Japanese Anime , so maybe Japanese people like their hair tall.
vote for best friends edition ( just like this ) in the comments.