The graphic novel serves as the foundation for the Netflix series. The storylines and characters in the show are directly inspired by those in the graphic novel. For example, the relationship between Charlie and Nick is depicted in a similar way in both.
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.