Well, it's quite possible. Many mangs comics take creative liberties and can envision a world where androids have the potential to dream of love, adding depth to the story.
In 'ghast x mangs fanfic', a prevalent theme might be the exploration of their differences. Ghasts and mangs are presumably distinct entities, and writers may focus on how they overcome those differences. Additionally, themes of loyalty and mutual understanding often come up. As they interact, they might learn to trust and rely on each other, which can be a central part of the story. There could also be themes related to a shared goal, like saving their world or something similar, which forces them to work together despite their differences.
I'm not sure. 'A you wish prince mangs' could potentially be part of a code or a private language that only certain people know the meaning of. Or, it could just be a string of words put together without any specific logic.
Naruto would probably be super excited about the Ironman concept. He'd be constantly thinking of ways to use Ironman's gadgets in his ninja world. Yugito might be more reserved but interested. She could help Naruto see how to adapt Ironman's ideas to fit the ninja culture better. For example, making the Ironman suit more stealthy like a ninja.