Well, BL comics are usually stories that explore the love and connections between men. They can have various themes and settings, and often appeal to a specific audience interested in this kind of content.
It varies. Some gay people might enjoy BL manga as a form of representation and entertainment, while others might not have a particular interest or might have mixed feelings depending on the portrayal.
It's not explicitly stated in most comics. But sometimes, character sexuality can be hinted at through subtext or certain interactions. You might need to do a deep dive into the comic series to figure it out for sure.
Frenchie is indeed gay in the comic. This aspect of their character is an important part of the story and adds to the diversity and complexity of the narrative.