Unity could also be a theme. Despite the differences represented by the four colors, they come together to form a complete love story. It's like the different elements in a relationship - passion, loyalty, friendship, and growth - all combine to create a harmonious and fulfilling love experience.
The title implies that love is the binding factor. So possible themes could be the different forms of love, like self - love which might be shown as a character learning to love themselves before loving others in one of the stories. Another could be unrequited love and how characters deal with it in the four stories. And of course, the idea of love as a unifying force between different individuals or groups could also be a theme.
One possible theme could be acceptance. The girl has to accept her color blindness and find ways to live with it.
It could be a theme of exploration if the game has 64 different areas to discover.
One possible theme could be hope. If the four days are a break from difficult times, it shows that there's always hope for better days.
The 'four color love story' might be a very unique and perhaps a local or personal creation. Maybe it involves four characters each associated with a color and their intertwined love lives. For example, if it's a story about a painter, the four colors could be the ones he uses to paint his lovers, each color signifying a different emotion and relationship he has with them. Without more context, it's difficult to give a more detailed account.
One possible theme could be social change. In 1950, society was evolving, and a love story might have been influenced by new social norms. Another theme could be sacrifice. The lovers may have had to sacrifice personal desires for each other or for their families.
Another theme could be perseverance. Given the social norms and restrictions in 1820, the couple would need to persevere through difficulties to be together. For instance, they might have to fight against family - arranged marriages.
Another theme might be perseverance. The couple in the '1982 love story' could have faced various difficulties, such as differences in social status or family opposition. But they persevered in their love. And also, discovery could be a theme. As they got to know each other in 1982, they were constantly discovering new things about one another, which deepened their connection.
One possible theme could be sacrifice. Given the historical context of 1917 which might involve war or social upheaval, the lovers may have to sacrifice their own desires for the greater good or for each other.
In a 2023 love story, the theme of second chances might be present. Maybe someone had a bad breakup in the past and in 2023, they meet someone new who gives them a chance to love again. Technology can also be a theme. People might have met through a dating app in 2023 and their relationship developed from there. And of course, the theme of family could be there. A couple in 2023 might be building a relationship with an eye towards starting a family in the future, so they are learning to support and care for each other like a family unit.