No, Boruto is alive in the manga. The plot hasn't led to his death. However, the manga is ongoing, and anything could happen in the later developments.
Yes, there might be. There are many fanfic communities out there where fans create stories based on their favorite characters. You could try searching on popular fanfic platforms like Archive of Our Own or FanFiction.net. However, the availability of a specific 'Black Star and Tsubaki Kiss' fanfic would depend on how many fans have been inspired to write such a story.
Well, in the manga, Aoi Tsubaki and Odanna do get married. It's a significant plot point that brings their story to a happy conclusion. The build-up to their marriage is filled with various challenges and sweet moments.
Yes, Boruto is indeed a manga. It expands on the Naruto universe and offers fresh perspectives and storylines. Many fans enjoy reading it to delve deeper into the world created by the series.
One common theme is character development. Writers often explore Tsubaki's growth, her relationships with other characters, and how she evolves within the Highschool DxD universe. For example, her relationship with the main character or her progress in her own powers.