One common theme could be the exploration of their relationship dynamics. It might involve how they interact, whether it's in a friendly way or with some underlying tension.
I'm not sure about specific 'once ler x greed ler fanfic' off the top of my head. You could try searching on popular fanfic websites like Archive of Our Own. They usually have a wide variety of fanfictions in different categories.
I'm not entirely sure specifically what 'u of u invetro' refers to. It could be something very specific to a particular institution or field. Maybe it's about the University of Utah (assuming 'u of u' means that) and some in - vitro related research or experiences there. Without more context, it's hard to say exactly.
The movie 'U - 571' is a Hollywood - style adaptation of the 'u571 real story'. It does a decent job of portraying the significance of the Enigma machine and the general idea of a mission to capture it from a German submarine. But when it comes to historical accuracy, there are some flaws. The real story had a more complex international aspect with contributions from different countries in the Enigma - related intelligence efforts, which the movie simplifies or changes to fit a more straightforward narrative for the audience.
In Greed Ler x Reader fanfictions, a prevalent theme is the exploration of emotions. Since it's a relationship - based fanfic, the development of feelings between Greed Ler and the reader is a big part. There are often themes of trust - building as well. The reader may start off being cautious around Greed Ler, and over time, trust is either built or broken. Additionally, the theme of mystery is common. Greed Ler may have secrets, and the fic revolves around the reader uncovering those secrets. And of course, the theme of attraction, whether it's physical or emotional, is almost always present.
In a land far away, there was a wise old man. He was known for his amazing stories. One day, a group of children gathered around him and asked him to tell a story. He began, 'There was a magical land where every creature could talk. 99u might be the key to unlock the secrets of this land. A young hero named Jack set out on a journey to find this 99u. Along his path, he met talking animals who helped him. He overcame many challenges, like crossing a river of fire and climbing a mountain of ice. In the end, he found 99u, which turned out to be a crystal of great power that he used to protect the magical land.'
U-571 is mostly fictional. Although it might draw inspiration from real events related to submarine warfare, it's not a direct retelling of an actual occurrence. The story is crafted to engage and thrill the audience.