In the 'Attack on Titan' series, there is no clearly defined canon romantic interest for Levi. His character is mainly focused on his role as a soldier and his fight against the Titans. However, many fans like to ship him with various characters in fan - made love stories.
There's also 'Levi's Redemption'. This fanfic focuses on Levi's past traumas and how he overcomes them. The author does an amazing job of portraying his complex personality and his relationships with other characters in a very believable way. It's a must - read for any Levi fan.
In a Levi love story within Attack on Titan, Levi is often seen as a complex and stoic character. His love, if there was one, would be filled with his typical no - nonsense attitude. He might show his love through protecting someone in his own gruff way, like how he protects his comrades in the Survey Corps.
Another option is to ask in Attack on Titan - related forums or groups on social media. Fans who are into writing or reading fanfics often gather there. They might be able to recommend some amazing 'Attack on Titan Levi crying fanfic' that they have come across. For example, on Reddit, there are subreddits dedicated to Attack on Titan where you can post your request.
A good 'Attack on Titan Levi Omega' fanfic is 'Omega's Awakening'. In this, the omega character realizes their true potential and has an impact on Levi's perception. 'Levi and the Mysterious Omega' is another one where a mysterious omega enters Levi's life and changes things around. There are many more fanfics out there. You can try looking on fanfic websites like Archive of Our Own or Fanfiction.net, where you can search specifically for 'Attack on Titan Levi Omega' fanfics and find a whole bunch of great reads.
A great 'Attack on Titan Levi Fanfic' usually has a deep understanding of Levi's character. For example, it should capture his stoicism, his loyalty, and his no - nonsense attitude. If it can show his growth or how he deals with his past, that's even better.