Another theme could be difference or alienation. If the sea monster is different from other sea creatures, it shows how being an outcast can lead to a lonely life. It might also touch on themes of self - discovery as the sea monster tries to figure out its place in the ocean world.
Isolation is also a possible theme. The sea monster's isolated state can be a symbol of how some beings in nature or even in human society are cut off from the rest. Additionally, there could be a theme of survival. Despite being lonely, the sea monster has to find ways to survive in the harsh ocean environment, which could show the strength of the individual in a difficult situation.
The theme of unity could also be present. When faced with the threat of the sea monster, the people of Tokyo from all walks of life - from the business district to the fishing villages - might have to come together. They would need to put aside their differences and work towards a common goal of protecting their city from the sea monster.
The lonely sea monster story could be about a sea monster that lives alone in the vast ocean. Maybe it's different from other sea creatures and thus is shunned or just prefers solitude. It might face challenges like finding food on its own or dealing with loneliness.
A third theme could be the breakdown of a relationship. The wife's loneliness could be a sign that the relationship with her husband is in trouble. It could be about the lack of communication, understanding, or affection in the marriage, which has led to her feeling so alone.
Another theme could be self - discovery. While being lonely, the boy may have more time to think about himself, his likes and dislikes. He might explore his inner world and grow as a person in the process of dealing with loneliness.
They could live happily ever after, finding a peaceful corner of the ocean to build their family. Maybe they would have little sea monster babies and teach them all about the beauty and danger of the ocean.
One possible theme could be isolation. Since he is the lonely king, the feeling of being alone in his position is likely a strong theme. Another could be loss, maybe he lost his power, his loved ones or his kingdom's former glory. And there might also be a theme of redemption, as he may be trying to regain what he has lost.
The theme of abandonment is quite prominent. It's been left alone while others are enjoying the Christmas festivities. It can also be a theme of longing. The lonely Christmas tree longs for the warmth and celebration that the other trees get. It might long for the touch of hands that decorate, the lights that adorn, and the presence of people around it, just like other trees have during Christmas.
Possible themes in 'the lonely girl short story' are alienation, as she may feel different and separated from the people around her. Another theme could be the search for identity. In her loneliness, she has time to think about who she is. And the theme of solitude as a double - edged sword. On one hand, it can be a source of pain, but on the other, it can offer opportunities for self - growth and reflection.
One possible theme could be fear. Since there's a monster involved, fear of the unknown or the dangerous is likely.
Some common themes include the struggle between the new sea monster self and the old human self. There's a constant internal battle of identity. Adaptation is another theme. The transformed character has to adapt to the new underwater environment, different from the human world they knew. And there can be a theme of revenge. If the transformation was due to some unjust act done to the character, they might seek revenge as a sea monster, using their new powers against those who wronged them.