Chuuya is not dead in the manga. The author has kept him alive to drive the story forward and create interesting developments. His presence adds a lot of excitement and intrigue to the plot.
Chuuya survives throughout the manga. The storyline doesn't involve his death. Maybe you got some wrong information or mixed it up with another character.
Not at all. The relationship between Dazai and Chuuya in the manga doesn't involve any kissing moments. Their interactions are more focused on other aspects of the story and their characters' development.
Choso is not dead in the manga. The plot hasn't taken that turn. Usually, character deaths are significant events and for Choso, that hasn't happened yet.
No, Boruto isn't dead in the manga as of now. The story is still unfolding and there's no indication of his death.
No, Tanjiro isn't dead in the manga. He survives through many challenges and plays a crucial role until the end.
Yes, Levi died in the manga. It was a tragic moment for fans.
No, Luffy isn't dead in the manga. The story is still ongoing and he's very much a key character.