Power and control could be a major theme. If the world is 'mine' in the story, it implies that the character has a significant amount of power and control over the world they inhabit. Another theme might be self - identity. When one claims the world as their own, they are also defining who they are in relation to that world.
Isolation could also be a theme. Having the world be 'mine' might mean that the character is set apart from others in some way. They may be the only one with this level of power or this view of the world. It could also involve themes of ambition and the pursuit of one's desires without regard for others, as the character is focused on the world being theirs.
One possible theme could be survival. If it was about a dangerous mining situation in 2016, survival would be a key theme.
One possible theme could be loyalty. If Jenny was a true friend, loyalty would likely be a part of the story. Another could be growth, as the friendship might have helped the narrator or Jenny grow as people.
In the 'hatsune miku world is mine anime story', the key elements include Miku's stardom. She is the main attraction, and her fame in the virtual world drives the story. Her relationships with other virtual characters, whether they are friends, rivals or fans, are also crucial. Additionally, the technology behind her existence, like the software that creates her voice and movements, can be considered an element as it shapes her capabilities and how she interacts with her world.
Another possible theme could be self - discovery. Maybe through the process of being claimed as 'mine', the characters in the novel start to discover more about themselves, their boundaries, and what they truly want in a relationship.
One possible theme could be the search for truth. Since 'maboroshi' implies something not entirely real, the characters might be seeking to find what is real beneath the illusions.
Another theme could be mystery. The palace is likely to have many secrets, like hidden rooms or ancient artifacts, and the characters may be on a quest to uncover them, so mystery could be a strong theme.
There's also 'Puella Magi Madoka Magica'. Madoka, in a way, has the power to change the world around her as she grapples with the dark secrets of the magical girl world. Although it's not exactly the same as 'world is mine anime story', it has elements of a character influencing the world in a significant way.
In the 'hatsune miku world is mine anime story', Miku is depicted as a star. The story could be about her journey to stardom in the virtual world. It might show how she overcomes challenges like competing with other virtual idols or dealing with glitches in her system. And her 'World is Mine' attitude is what drives her forward, making her unique and beloved among her fans. For example, she might use her amazing singing voice to win over a difficult audience or gain the respect of other virtual entities.
Another theme could be the pursuit of dreams. The characters in Drake's anime story may have their own dreams, whether it's to become a great hero, an artist, or to find a special place in the anime world. They would face obstacles but keep striving towards their goals.
One possible theme could be mystery. Given the word 'himitsu' which means secret in Japanese, there might be a lot of hidden elements in the story.