Who could be the main characters in an 'interstellar love story'?

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.

There could be a young, adventurous dolphin called Dash and an older, wiser dolphin known as Pearl. Dash's energy and Pearl's experience create an interesting dynamic as they fall in love. They teach each other things about life in the ocean and their relationship grows.

It could be a young adventurer and an old wise hermit. The adventurer stumbles upon the hermit's dwelling during one of his expeditions. Despite the age gap and different outlooks on life, they form a deep bond that neither of them expected, which is an uncharted kind of love.

The main characters could be two goldfish. One is a bright orange goldfish and the other is a shiny white one. They meet near the little castle in the aquarium and start to develop feelings for each other.

It could be two cyborgs. One cyborg might be an older model, more mechanical in nature, and the other could be a new, more advanced model with more human - like features. They might fall in love as they learn from each other and discover new things about their own existence.

The main characters could be the lead violinist and the orchestra's composer. The violinist is always the star performer, and the composer is constantly writing new pieces for the orchestra. They start collaborating closely, and soon, their professional relationship blossoms into love.

The main characters could be a head nurse and a new intern. The head nurse is experienced and strict, while the intern is fresh - faced and full of new ideas. They start off with a professional relationship but as they spend more time together in the hospital wards, they develop feelings for each other.