Bright Future: An Overflash Story

The wedding of Oliver and Felicity is arriving and everyone is happy about it, but there's 2 people that doesn't feel that way, Barry Allen from Earth 1 and Kara Danvers from Earth 38, the speedster has feelings for the heroine since long time ago and now things is the right moment to tell her, but Kara doesn't know, she thinks that the signs that the speedster shows are for just friends and nothing else, but when she decides to check on the Barry to talk about it, theres a big surprise waiting for her.
Also when everyone thinks that this will be a relaxing event, soldiers from an unknown Earth arrive to conquer and also something else, but in between their army, 4 big surprises are on the waiting to attack and create chaos.

PD:I had modified some parts of the crossover too, to put some of my personal ideas for the new plot.
The Rights about the crossover and the TV series, The Flash, Arrow, Supergirl and Legends Of Tomorrow are reserved to the CW, also characters and part of the plot.