Light Novel Volume 04

Genjitsu Shugi Yuusha no Oukoku Saikenki Volume 4 is the forth volume of the light novel series, written by "Dojyomaru" (『どぜう丸』, Dozeumaru) and illustrated by "Fuyuyuki"『冬ゆき』and was published on June 25, 2017.

Blurb
ALL'S FAIR IN LOVE AND WAR When the Principality of Amidonia sends a desperate call for help defending itself against civil war and enemy invasion, Souma agrees to aid their former enemy. But the Principality’s plea comes with strings, or perhaps rewards, attached—including a marriage proposal from their princess!

Chapters

 * Prologue: The Running King
 * Chapter 1: Preparing for Innovation
 * Chapter 2: A Story of Using Shrimp as Bait to Catch Sea Bream, but Instead Catching a Shark
 * Chapter 3: An Unusual Slave Trader
 * Chapter 4: The Museum in the Royal Capital
 * Chapter 5: Weighing Nostalgia Against the Future
 * Final Chapter: In the Snow
 * Bonus Story: The Beginning of 1547, Continental Calendar

Premium Version Bonus
Special Bonus content added in Premium version release (5 store exclusive short stories) *,
 * Liscia and Aisha's Emergency Conference
 * Post-Juna
 * Roroa's Mistaken Order
 * The Association for Victims of Masters: Now Seeking New Members
 * Poncho and Serina: A Bizarre Midnight Snacking Session