Loss could be a theme. He could have lost his family, friends, or even parts of his kingdom, which made him a sad figure. For instance, if he lost a battle and had to cede some territory, it would be a great loss.
Another theme might be the futility of power. Despite having all the power as a king, he was still sad. This could show that power doesn't always bring happiness. Maybe he had to make difficult decisions that went against his personal beliefs just to maintain his power, and that inner conflict made him sad.
One possible theme could be loss. Maybe they lost each other, or lost something important like their home or a shared dream.
Another possibility is the loss of something precious. It could be a loss of a home, a friendship, or a dream. If 'valobashar' is a place, perhaps the story is about how the people there lost their idyllic way of life due to some external factors like natural disasters or the arrival of invaders. This would make it a very sad story indeed.
One possible theme could be unrequited love. Maybe one person loves the other deeply but the feelings are not reciprocated.
Another theme could be failure. He might feel like he has failed as a father, whether it's in providing for his family, being there emotionally, or protecting his kids. There could also be a theme of regret, like he made some bad decisions in the past that are now affecting his family and he can't seem to fix it.
Loneliness might be a theme. Maybe the person in the chat is always reaching out to others but gets very little response. They keep chatting into the void, and this sense of being alone and unheard can be very sad. It's like their words are lost in the digital space without any real connection.
One possible theme could be disappointment. If Santosh Anand had high expectations in some aspect of his life, like a career or a relationship, and things didn't work out, disappointment would be a strong theme.
A third possible theme is identity. The Blue King's identity could be deeply intertwined with the color blue. It could be that his family has a long - standing connection to blue, and he has to struggle with maintaining this identity in a world that may not always understand or accept the significance of blue in his life and rule.
One possible theme could be leadership. Naruto taking on the role of a king would require him to lead, and the story might explore what makes a good leader.
One possible theme could be discovery. As the king moves through the street, he discovers new things about his kingdom, like the living conditions of his people or hidden aspects of the city.
One possible theme could be leadership. Since there is a 'king of the fishes', it is likely that the story explores what it means to be a leader in the fish world. Another theme might be survival, as the king fish may have to use its leadership to ensure the survival of the fish community.