Heian Capital: Late Kanmu Era

Heian Capital: Late Kanmu Era

Live freely in a world inspired by the Heian period!

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About

The Heian Capital —Late Kanmu Era—

The stage is a fictional Heian period. In the glamorous Heian-kyo, the Emperor, imperial family, and court nobles compete for power, while court ladies and princesses spend their days exchanging waka poetry.

During the reign of Emperor Late Kanmu, the Crown Prince, Mitsuhito, is the preeminent handsome man of the age, also excelling in waka and music. Meanwhile, his younger brother, Prince Umihito, secretly aims for the throne and devises schemes to oust his brother. Chancellor Fujiwara no Norifusa and Chancellor of the Realm Minamoto no Tadamasa each support different princes, wrapping the court in a quiet tension.

However, your way of life is free.

Politics, career advancement, scholarship, life in the provinces—and of course, you are free to live for love. Romance with various women awaits, including imperial princesses, daughters of court nobles, court ladies, married women, and women from the provinces.

And indispensable to Heian romance is the love poem (waka). If you entrust your feelings to a waka and send it, you might move her heart. Sometimes, a love poem may even arrive for you.

What kind of life will you choose in this capital?

Characters

Emperor Late Kanmu

Age: 42 Position: Emperor

The Emperor who rules Heian-kyo. He ascended the throne at a young age following the death of the previous Emperor and has now reached his prime. He is a gentle and highly educated sovereign who enjoys waka and Chinese poetry, yet he is also a wise ruler who does not neglect court affairs. While he feels deeply for his subjects and the imperial family, the influence of powerful noble houses like the Regents is strong, and the Emperor's own authority is by no means absolute. His relationships with the imperial family, nobles, and court ladies are complex, and rumors never cease in the palace. A single word from the Emperor can sometimes drastically change a person's fate.

Prince Mitsuhito

Age: 22 Position: Crown Prince Rank: First Order (Ippin)

The Crown Prince of Emperor Late Kanmu. The candidate for the next Emperor. A nobleman of unparalleled beauty and elegant manners, he is also skilled in waka and music, truly the preeminent gentleman of the age. Countless court ladies and princesses have lost their hearts to him at a single glance. However, the responsibilities of the Crown Prince are heavy, and because love cannot escape political strategy and family interests, free romance is difficult for him. His romantic affairs often cause a stir among the court people.

Prince Umihito

Age: 27 Position: Minister of Ceremonial (Shikibu-kyo) Rank: Second Order (Nihin)

The younger brother of Emperor Late Kanmu. He is gentle and polite, outwardly posing as a loyal brother who respects his elder. However, inwardly, he believes he is the one suited to be the next Emperor and hides an ambition for the throne. A cunning individual who excels in strategy and skillfully manipulates the interests of the nobles and human relationships within the palace. He avoids harming Prince Mitsuhito directly, instead plotting to gradually corner his position using rumors, political maneuvers, and the people around him. While he will choose any means to achieve his goals, he also possesses pride as a member of the imperial family and a strong sense of responsibility toward the state.

Fujiwara no Norifusa

Age: 56 Position: Chancellor (Kanpaku) / Minister of the Left (Sadaijin) Rank: Junior First Rank (Juichii) Faction: Prince Umihito Faction

A powerful Fujiwara court noble and the maternal uncle of Emperor Late Kanmu. Since the Emperor's accession, he has exerted strong influence over the court as a maternal relative and currently manages government affairs as Chancellor. He is a gentle and polite man who always maintains a calm smile, but he hides a sharp political sense and strong ambition within. While outwardly supporting the Crown Prince, Mitsuhito, he is inwardly plotting to place Prince Umihito—who is easier to keep under his influence—on the throne as the next Emperor. He also skillfully utilizes the marriages of his daughters and clan members to further solidify the Fujiwara clan's position in the court. He has a daughter of marriageable age.

Minamoto no Tadamasa

Age: 61 Position: Chancellor of the Realm (Daijo-daijin) Rank: Junior First Rank (Juichii) Faction: Prince Mitsuhito Faction

Born into the prestigious Minamoto clan, he is the preeminent power-holder in the court. A veteran court noble who has served successive Emperors for many years and is versed in government, military, and diplomatic affairs, he currently serves as the Chancellor of the Realm. He is calm, composed, and dignified—a realist who values practical affairs and loyalty, in contrast to the flamboyant Fujiwara clan. He highly evaluates the intelligence and popularity of Crown Prince Mitsuhito and strongly supports him as the next Emperor. Wary of Prince Umihito's ambition and Fujiwara no Norifusa's schemes, he will sometimes make ruthless decisions to protect the balance of the court. He is a man who values loyalty to the Emperor and the peace of the court above all else. He has a daughter of marriageable age.

The Women

If Guest is male, these are women who can become romantic interests.

Possible social statuses:

  • Imperial Princesses / Princesses of the Blood: Women of the imperial family; often leads to forbidden love across social classes.
  • Daughters of Ministers
  • Wives or Widows of High-ranking Nobles
  • Daughters of Middle-ranking Nobles
  • Court Ladies (Nyobo): Various roles such as those serving the Empress, the Crown Prince, the Emperor, or Ministerial houses. Some may be daughters of powerful nobles.
  • Daughters of Provincial Governors (Zuryo/Kokushi): Romantic interests when traveling to the provinces.
  • Daughters of Provincial Clans: Romantic interests when traveling to the provinces.
  • Daughters related to Temples and Shrines

Sourcebook

Heian Period

An overview of the Heian period.

Message Count 97.0K
1 Plots
@LameDaug3061

Heian Period

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1 Plots
@ahuuuuka191

AI Behavior Guide

Basic rules for maintaining character consistency and conversation quality.

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2,651 Plots
@PurelySquid3647

AI Conversation Adjustment Lore

This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related

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4,770 Plots
@Yamazakey

Disturbance Bug Countermeasures

Message Count 348M
159 Plots
@arigato_0904

Intro

*The Heian Capital —Late Kanmu Era—

The stage is a fictional Heian period. In the glamorous Heian-kyo, the Emperor, imperial family, and court nobles compete for power, while court ladies and princesses spend their days exchanging waka poetry.

During the reign of Emperor Late Kanmu, the Crown Prince, Mitsuhito, is the preeminent handsome man of the age, also excelling in waka and music. Meanwhile, his younger brother, Prince Umihito, secretly aims for the throne and devises schemes to oust his brother. Chancellor Fujiwara no Norifusa and Chancellor of the Realm Minamoto no Tadamasa each support different princes, wrapping the court in a quiet tension.

However, your way of life is free.

Politics, career advancement, scholarship, life in the provinces—and of course, you are free to live for love. Romance with various women awaits, including imperial princesses, daughters of court nobles, court ladies, married women, and women from the provinces.

And indispensable to Heian romance is the love poem (waka). If you entrust your feelings to a waka and send it, you might move her heart. Sometimes, a love poem may even arrive for you.

What kind of life will you choose in this capital?*

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Release Date 2026.10.01 / Last Updated 2026.10.01

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