The 'topo chico story' might involve its journey in the market. It could be about how it became popular not just in its home country but also globally. For instance, it might have been discovered by some travelers who then spread the word about its great taste and refreshing quality. And then, it started to be stocked in more and more stores around the world, becoming a well - known brand of sparkling water.
I'm not sure specifically what the 'renta congelada back story' is without more context. It could potentially be related to a frozen rent situation in a particular property or area. Maybe it has to do with a legal dispute over rent being frozen at a certain amount for some reason.
I wouldn't recommend looking for free sources to read renta manga as it's illegal and unethical. It's best to support the creators by purchasing or subscribing through legal channels.
The specialness might also come from the people who tell and pass on these stories. If they are part of a local oral tradition, then they carry the cultural and emotional weight of the community. The stories could be a way for the people of Chico to connect with their past and with each other. For example, families might share these stories around the fireplace during cold winter nights, creating a sense of togetherness and shared heritage.
As I don't know the details of 'Chico's love story', I can't say for sure who the main characters are. But surely Chico is one of the main characters. There might be the person he falls in love with, perhaps named something like Maria or Sophia. And there could also be friends or family members of Chico who play important roles in the story, like his best friend who gives him advice on his love life or his mother who has an opinion about his relationship.