Kawa sano Fui no Dansei wo Sasu

Name
The River of the Unexpected Hero was named for the hero of a battle two hundred years ago. The Unicorn were batteling Shadowlands creatures that had broken through the Crab Wall. The foul creatures were trying to despoil Mizu-umi Kiku Hanabira and the courage of a farmer proved to be the crucial factor in the battle, turning the tide.

Major References

 * Legend of the Five Rings; Third Edition Page 303.