Eventful life of a Transmigrator (Currently in Fairy Tale)

While MC gets Transmigrated a mistake of ^Transmigration Department^ of ^Truck-kun Company^ causes multiple fictional universes that originated from our universe to be damaged and to cover their mistake they claim that our mc who was supposed to be Transmigrated as a secondary side character is savior of these universes and task Him with saving them. ( I don't own of animes or movies in it )