With the help of their parents from the past. The Future Shepherds managed to defeat Grima and bring peace and saved the world and with it the world can be rebuilt.
Now they are having a new task sent by the Divine Dragon Naga. Is to go to another world similar to theirs to assist the 4 Cardinal Heroes against the upcoming destruction known as The Waves of Catastrophe. Along the way they have deal with foolish heroes, corrupt politics and support a hero with a shield shunned by society.

Romance pairings include