Their relationship could develop through a shared secret. For example, they both have a fear of a certain critic in the ballet world. They bond over this shared fear and start to practice together in secret to overcome it. As they practice, their relationship deepens.
One way to develop their relationship uniquely is by having them go through a series of challenges that test their loyalty to each other. Maybe they are accused of something they didn't do and have to prove their innocence together. In the process, they learn more about each other's strengths and weaknesses. Newt might see a more determined and fierce side of Thomas, and Thomas could see Newt's unwavering loyalty and sharp intellect in a new light.
Their relationship could develop uniquely if Paula starts to see Sebastian as a mentor. She could ask him to teach her some of his skills, like self - defense or how to be more observant. Sebastian, being prideful in his abilities, might be initially hesitant but then start to enjoy teaching her. This would create a bond based on learning and growth.
One idea could be that Nina and Thomas are transported to a different ballet world where the rules are all changed. They have to adapt and find a new way to dance together. Maybe they discover a long - lost ballet that only they can perform perfectly.
Well, they could be united through a shared love of adventure. For example, they both hear about a hidden magical place and decide to explore it together. Along the way, they face various challenges that force them to rely on each other, thus deepening their relationship.
Their relationship could develop uniquely if Rachel takes on a teaching role for the younger glee club members under Will's guidance. This role reversal would force them to see each other in new lights and create a deeper bond.
A unique way to develop their relationship could be through a series of challenges. For example, they are trapped in a mysterious dimension together and have to rely on each other to escape. In the process, they discover each other's strengths and weaknesses, and Kurama realizes that Kushina is not just Naruto's mother but a powerful ninja in her own right. This mutual respect and reliance would strengthen their relationship.
Their relationship could be developed uniquely by having them start as enemies in a sense. For example, Sephiroth could be on a mission that Aerith unknowingly gets in the way of. But instead of killing her immediately, he's intrigued by her. This initial encounter could spark a series of events where they keep crossing paths. Each time, they learn a bit more about each other. Maybe Aerith starts to see the pain behind Sephiroth's cold exterior, and Sephiroth begins to respect Aerith's strength and determination. Over time, this could lead to a complex relationship that is part friendship, part something more, as they both struggle with their own destinies and how the other fits into it.
Another way to develop their relationship uniquely is if Aipom gets a prophecy about a great danger that Ash will face in the future. Aipom decides to secretly train itself extra hard to be able to protect Ash. When Ash finally discovers what Aipom has been doing, he is touched and their relationship becomes even stronger. This would show a different side of their relationship, with Aipom being the protector instead of the one usually being protected by Ash.
Their relationship could be developed through a shared love of transfiguration. Hermione could seek out McGonagall for extra lessons and in the process, they bond over the beauty and complexity of the subject.
One way would be if they were both transported to a different dimension. In this strange new place, they have only each other to rely on. They would need to figure out how to survive and find a way back home. This shared struggle would bring out different sides of their personalities and force them to trust each other completely, thus developing their relationship in a very distinct way.