Maybe the main characters are a mechanic who repairs spaceships and an android from an advanced civilization. The mechanic is initially skeptical of the android's emotions but as they work together to fix a powerful interstellar ship, they start to have feelings for each other. The android learns about human love, and the mechanic discovers that love can exist in non - human forms.
It could be two interstellar travelers. One is a fearless pilot from Earth who has been exploring the cosmos for years, and the other is a telepathic being from a distant nebula. Their minds connect first, and then their hearts, as they journey together through the stars.
A human scientist and an alien princess. The scientist is on a mission to study a new planet and discovers the princess. They are initially intrigued by each other's differences and soon fall in love.
There are so many possibilities for the main characters in an 'interstellar book story'. It could be a family forced to flee their planet due to some catastrophe and they embark on an interstellar journey. The parents trying to protect their children, the children growing up in the harshness of space travel. Or perhaps it's a team of interstellar diplomats sent to negotiate with an alien race. Each diplomat having their own motives and secrets that unfold throughout the story.
An old, grizzled space captain. He has seen many things in his years of traveling the cosmos, but the interstellar ghosts are something new. His wealth of experience might initially make him skeptical, but as the story progresses, he realizes that these ghosts are a real and dangerous threat. His leadership skills and knowledge of the universe will be put to the test as he tries to deal with the situation.
It could be a group of coworkers. They work in a competitive environment, and there are rivalries, alliances, and betrayals among them. Their stories are full of drama and emotion, just like in a love story, but there is no romantic love involved.
I don't know for sure as it depends on the specific 'interstellar graphic novel'. But it could be a brave space captain, a brilliant scientist, and a tough alien warrior.
It might be a pizza chef and a food critic. The critic comes to review the pizzeria. The chef is initially nervous but the critic is impressed by the food. As they talk more about pizza - making techniques and flavors, they develop feelings for each other.
The main characters could be a successful but arrogant businesswoman and a laid - back artist. The businesswoman is used to controlling everything in her life, including relationships. Her arrogance clashes with the free - spirited nature of the artist, but they still end up in a love story full of challenges and growth.
It could be a single traveler and a hotel employee. The single traveler might be looking for a new experience in the love hotel, and the employee could show them around, leading to an unexpected connection between them.
The main characters could be Colour Red and Colour Blue. Red, representing passion, and Blue, standing for calmness. Their love story could be about how they balance each other out.
A human - like android and a human scientist who created it could be the main characters. The android starts to feel love for the scientist as it learns more about emotions from the scientist's research.
The main characters could be a fat woman who is a talented artist and a fat man who is a writer. They meet at an art exhibition where the man is looking for inspiration for his next story. They start chatting and find that they have a great connection, and a love story begins.