Sasuke often appears in different story arcs of the Boruto manga, depending on the current plot and mission. Sometimes he's on a solo mission, sometimes he's involved in events related to the village.
Another theme is self - discovery. As the story progresses, the characters learn more about themselves and their feelings. For example, the main character may find out things about his own capacity for love and commitment that he didn't know before. It's a journey of growing up in terms of emotions.
Yes. The English dub for BlazBlue Central Fiction exists. It adds to the accessibility and appeal of the game for English-speaking players, allowing them to immerse themselves in the story and gameplay with familiar language.
Naruto is likely to be popular too. Even though it's a Boruto x Sasuke fanfic, Naruto's relationship with both of them is so important. He could play a role in supporting them from the sidelines or even getting involved in a crucial part of the story.