Prolouge: A different Fodlan

The Order of Heroes was on a mission to stop Thórr until they were sent to Fodlan... The problem? Fodlan is completely different. What is worse? Alfonse is captured by Thórr. Now Sharena and her friends must find a way to stop an upcoming Calamity caused by someone called "the Whirlwind Emperor" and save Alfonse and this Alternate Fodlan from Thórr. Cross post with Fanfiction.net

Pairings:

Alfonse × OC

Sharena × Peony

Fjorm × Alfonse

Ashe × Female Byleth

Caspar × Linhardt

Dimitri × Dedue

Hilda × Marianne

Yuri × Bernadetta

Balthus × Constance

Male Byleth × Edelgard