Can you recommend some good lena kara fanfic authors?

Sure. You can try looking on fanfiction.net. There are often a lot of great stories in the various fandoms there. Just search for 'alpha lena omega kara' and you'll likely find some interesting reads.

I'm not sure about specific alpha kara omega lena fanfic. You can try searching on some popular fanfic websites like Archive of Our Own. There are a large number of fanfics there, and you might be able to find ones related to these characters by using relevant tags.

One great Kara and Lena fanfic is 'The Unlikely Bond'. It beautifully explores their friendship turning into something more. The story has great character development and some really heart - warming moments.

One great Kara Lena fanfic could be 'The Bond Beyond Powers'. It delves into how Kara and Lena's friendship blossoms into something more in a world full of challenges. They face villains together and in the process, their relationship deepens on an emotional level.

Another great one is 'Baby Steps'. This fanfiction delves deep into the emotions of Lena and Kara as they navigate the world of parenting. It has some really cute scenes where they learn to take care of the baby, like the first time they change a diaper or put the baby to sleep, all while dealing with their own insecurities and the reactions of their friends and family.

There's also 'Baby Steps' which delves deep into the emotional journey of Kara and Lena as they become parents. It shows how their relationship evolves in this new phase, with beautiful descriptions of their love for the baby and each other. They face difficulties from the outside world, but their bond and determination to raise the child in a loving environment are really heartwarming. In this story, the baby also has some unique abilities that make the plot even more engaging.

One great Kara and Lena kiss fanfiction is 'A Moment of Truth' where their relationship builds gradually and the kiss is a culmination of deep emotional connection. It beautifully captures their personalities and the chemistry between them.

I'm not sure specifically which 'Kara and Lena rated M fanfic' are the best. You could try searching on popular fanfic platforms like Archive of Our Own. Look for ones with high ratings and a lot of reviews from other readers.

One interesting Lena Kara fanfic could be about their adventures in a post - apocalyptic world. They might have to rely on each other's unique skills to survive. For example, Lena's intelligence could help them find resources, while Kara's superpowers could protect them from threats.

Some fandom - specific forums or communities might also be a great source. For example, if there are dedicated Kara and Lena fan groups on social media platforms like Reddit or Tumblr. Members often share or recommend their favorite fanfics in those communities, so you might be able to discover some interesting 'kara x lena fanfic' through them.