The 'amor en custodia' full story might vary depending on its context. It could be a fictional narrative where two characters fall in love while one or both are in some form of custody. For example, it could be a story set in a detention center where inmates form deep emotional bonds. Without more specific information, it's hard to detail the exact plot.
Since I'm not fully aware of this specific story, I can only guess that one key element might be the relationship between the characters in custody. Another could be the external forces that act upon their love, like the rules and restrictions of the custody environment.
You might try looking in specialized libraries or archives dedicated to cartoons and animation. Some universities or cultural institutions might have such collections.
A retrato caricatura is more exaggerated and focuses on highlighting certain features for humor or emphasis. A traditional portrait aims for a realistic representation.