Light Novel Volume 13

"Genjitsu Shugi Yuusha no Oukoku Saikenki XIII" ( 現実主義勇者の王国再建記XⅢ, How a Realist Hero Rebuilt the Kingdom Vol. 13 ) is the 13th volume of the Light Novel series written by "Dojyomaru" and illustrated by "Fuyuyuki". It was first published in Japan on September 25, 2020; with the English digital version going to release on March 4, 2021.

Blurb
Risking her life to save her homeland, Shabon, a princess from the Nine-Headed Dragon Archipelago, joins Souma's side in hopes of stopping an impending war. But with a fleet already en route to the hostile archipelago under his orders, Souma sets out to infiltrate the islands before they arrive. As he gathers information within the enemy territory, he finds that the real threat isn't their naval fleet, but a massive creature in their waters that defies all common sense...?! What strategy will Souma come up with to handle these two encroaching threats?! Find out in the thirteenth volume of the revolutionary administrative fantasy series!

Chapters

 * Prologue: Storm –enemy attack–
 * Chapter 1: Wrath –anger–
 * Chapter 2: Cause –unknown–
 * Chapter 3: Preparation –policy–
 * Chapter 4: Going Ahead –leading force–
 * Chapter 5: Encounter –enemy–
 * Chapter 6: Into Battle –fleet–
 * Chapter 7: Naval Battle –aircraft carrier–
 * Chapter 8: Meeting the Enemy –monster–
 * Chapter 9: Duel –total war–
 * Chapter 10: Mechanical Dragon –final battle–
 * Chapter 11: Big Pot –banquet–
 * Chapter 12: Negotiations –ocean league–
 * Epilogue: Return –I'm back–
 * After Story 1: Victorious Return –welcome back–
 * After Story 2: Waves –new chapter–

Premium Version Bonus
Special Bonus content added in Premium version release (4 Bonus Short Stories) *,
 * In Lagoon City, Before the Dispatch of Troops
 * A Certain Father and Daughter's Reunion
 * Harmony in the House of Magna
 * Testing the Lion-Dog Cannon