One popular one is 'A Different Kind of Truth'. It explores the relationship between Supercorp in a very interesting way, with great character development.
You can try websites like Archive of Our Own (AO3). It has a large collection of fanfiction, and you're likely to find supercorp complete stories there.
There's 'Unlikely Allies'. In this fanfiction, Supercorp's dynamic is shown in a unique way as they are forced to work together against a common enemy that threatens both their worlds. It has a great plot that keeps you on the edge of your seat. Also, 'The Promise' is quite popular. It delves deep into their feelings, especially Lena's struggle with her own identity while being in love with Supergirl.
One popular Supercorp fanfiction is 'The Future We Deserve'. It beautifully weaves a story where Lena and Kara's relationship develops in a post - apocalyptic world. Another great one is 'Hearts Aligned' which focuses on their emotional journey as they face challenges together within the Supercorp universe. And 'Soulmates in the Shadows' is also well - liked as it delves deep into the unspoken connection between the two characters.
Love and friendship are also very common themes. The deep connection between Supergirl and Lena, whether it's a romantic relationship or a strong friendship, is often explored. They rely on each other, confide in each other, and grow together. In some stories, their relationship is the central element that drives the plot forward, like in 'The Unbreakable Bond' where their love is what saves the city from a powerful villain.
One popular one is 'The Future is Ours'. It's a long and completed story that explores the relationship between Supergirl and Lena Luthor in a very detailed way. The story has great character development and an interesting plot that keeps you hooked from start to finish.
One great supercorp fanfiction long story is 'The Future We Build'. It beautifully explores the relationship between Supergirl and Lena Luthor in a post - apocalyptic setting. Their bond deepens as they fight for survival and the restoration of their world.
One common theme is family. It often focuses on how Supercorp (Supergirl and Lena Luthor) build a family around their baby. Another theme is the challenges they face in raising the baby while dealing with their superhero/villain identities.
Love and support are very common themes. The stories often show how the two characters in supercorp support each other through the pregnancy, which is really heart - warming.