How a Realist Hero Rebuilt the Kingdom – Season 1 (2021)

The Reforming King

How a Realist Hero Rebuilt the Kingdom begins with a refreshing twist on the isekai genre. Instead of fighting monsters, Kazuya Souma takes the throne of the Elfrieden Kingdom and uses modern knowledge to save it from collapse. Season 1 introduces a world where economics, politics, and reform matter more than brute strength.

Season 1 Overview

• Title: How a Realist Hero Rebuilt the Kingdom Season 1

• Episodes: 13

• Air Date: July 4, 2021 – September 26, 2021

• Studio: J.C. Staff

• Streaming Platforms: Crunchyroll, Funimation, Hulu

• Opening Theme: "HELLO HORIZON" by Inori Minase

• Ending Theme: "Kazanear" by Aimi

Story Summary

When college student Kazuya Souma is summoned to a fantasy kingdom as a “Hero,” the king expects a warrior. Instead, Souma shocks everyone by suggesting administrative reforms. The king abdicates and hands him the throne, making Souma the new ruler of Elfrieden.

Armed with modern knowledge, Souma recruits talented individuals—including Aisha, Juna, Hakuya, and Tomoe—to form his core team. Together, they tackle food shortages, economic instability, and political inefficiency, proving that brains can be as mighty as swords.

Major Arcs Covered

1. Summoning & Coronation – Souma arrives and unexpectedly becomes king.

2. Recruitment of Talents – Gathers a team of skilled allies to strengthen the kingdom.

3. Economic & Political Reforms – Focus on agriculture, budgeting, and governance.

4. First Steps of Romance – Souma and Princess Liscia begin to build trust and affection.

Key Themes

• Leadership Through Logic – Souma shows that ruling requires intellect, not just power.

• Nation-Building – Agriculture, infrastructure, and governance take center stage.

• Romance in Politics – Liscia’s growing bond with Souma complements his reforms.

Main Characters – Season 1

• Kazuya Souma – The summoned hero turned king, who governs with practicality and strategy.

• Liscia Elfrieden – The strong-willed princess and Souma’s betrothed.

• Aisha Udgard – A loyal dark elf warrior devoted to protecting the king.

• Juna Doma – A graceful songstress and diplomat.

• Hakuya Kwonmin – A sharp-minded strategist who becomes Souma’s right hand.

• Tomoe Inui – A wolf-girl with a unique ability to speak with animals.

Where to Watch Season 1

You can watch How a Realist Hero Rebuilt the Kingdom Season 1 on:

• Crunchyroll

• Funimation

• Hulu

Final Thoughts

Season 1 of How a Realist Hero Rebuilt the Kingdom is a standout isekai debut, trading action for politics and strategy. By focusing on realistic solutions to fantasy-world problems, it sets the tone for an intelligent, thoughtful series.

If you’re looking for an isekai that values leadership, planning, and heart, Season 1 is the perfect starting point.