How did Kana die in the manga?

I don't think Boruto has died in the manga yet. You might have some wrong information.

Nobara's death in the manga was a result of a powerful and unexpected enemy attack.

Sorry, I don't have the exact details on how Bakugo died in the manga. It might involve a combination of factors such as powerful enemies or risky decisions he made.

Levi met his end in a rather tragic battle scene. His death was a result of multiple severe injuries sustained while fighting a powerful enemy.

Nezuko doesn't die in the manga. She survives and plays a crucial role throughout the story.

Maybe you died in the manga due to a sacrifice to save someone important or because of a fatal mistake you made. But again, it depends on the specific plot and circumstances.

Naruto died in the manga because he gave everything he had to ensure the safety and peace of his world. The battles were extremely demanding, and his body and chakra couldn't handle the strain anymore.

Gojo's death in the manga was a result of a powerful and unexpected attack by a major villain.

Midnight's death in the manga was a result of a complex and unexpected series of events. It wasn't straightforward.

Well, Sasha's death in the manga could have been due to a variety of factors. It could be related to a battle, an illness, or some other unexpected event. Without knowing the exact manga, it's hard to give a precise answer.