As the goddess was about to send her two most efficient servants to help another world, she discovered another god had sent more souls to that world to cause chaos and war. Warning them of this she sent them to protect that world.

We continue on with the story of Ernesti in the land of Fiore with the same level of insanity going on just like before

A slight spin off of silver haired fairy with other characters from other medias

So Ernesti in the Fairy tail universe will have his giant robot in it called Ikaruga as well hope to have a bunch of Hijinks with him.

Even before her time as Tanya von Dugurechaff, she always relied on mere logic in her ruthless attempt to climb the ranks. However, her mind remained relied on logic and pragmaticism. What if she came across someone who's power relied on his passion and extreme idealism? It's now a war between her and the leader of the Silver Phoenix, a conflict between logic and passion.