Remake of the World's Finest crossover between Flash and Supergirl. When Kara and Barry decide listen to Cat Grant and hatch a plan to make James jealous, what will happen?

Grief changes people. Loss rewrites them. Six months after vanishing into the Speed Force to save his city, Barry Allen returns to a world that doesn't feel like home anymore. Iris West - his anchor, his heart - is gone. And without her, even the Flash feels painfully, humanly slow. Across the stars, Kara Danvers knows that feeling all too well. Left behind after Mon-El's return - married, unreachable, part of a world she no longer fits in - Supergirl is tired of pretending she's fine. When fate pulls them into each other's orbits - one hero weighed down by the past, the other haunted by the future - they don't expect connection. They don't expect understanding. And they definitely don't expect hope. But even in the wreckage of their worst days... broken things can still burn bright. Flash Season 4 Supergirl season 3 First part in the my SuperFlash series.

Supergirl and flash are best friends... with benefits?!?

When Samantha lands on planet earth, she has no clue what happened to her family or even Krypton at all.

What if something unexpected happened during Barry's first time at Kara's Earth? One year later, Barry and Kara are trapped in a musical fantasy land by the Music Meister. As they try to find a way to escape, they talk about each other's romantic frustrations. They try to comfort each other, only to discover something inside themselves. Has the right partner been in front of them the whole time? (Alternate events during Supergirl 1x18 and Flash 3x17) A Superflash/Karry story

It takes place during mirror master's arc. Iris is dead in the mirror verse. Barry gets transported to Earth 38. What will he do?

When Barry accidentally gets stuck on Earth 3 again and requires Kara's help to get back, she agrees on one condition. He'll take her with him to go visit his friends on Earth 1. Luckily for Team Flash, they have Supergirl to help them deal with a dangerous villain. Will Barry and Kara come out as good friends, or maybe something more? Also posted on Fanfiction.net under Annie's account, tundralights (to prevent confusion)

This Fanfiction is about how Barry Allen and Kara Danvers become a couple and take on the world together.