Well, actually, 'Heartstopper' is a graphic novel. It has been widely celebrated for its beautiful illustrations and engaging story that follows the lives of its characters, especially in the context of LGBTQ+ youth experiences. The format of a graphic novel allows for a unique blend of visual and written storytelling that has made 'Heartstopper' so beloved.
Yuma and Tori could be characters from a small - scale, indie story that has a dedicated but not widely - known fan base. The fanfiction allows fans to expand on their relationship, imagining their married life in ways that the original story might not have delved into deeply, perhaps adding more depth to their characters and their connection.