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Fight with me when the human world falls into ruin. Fight with me if bloodshed is all there is in the world. I will fight if Youkai are oppressed, and I will fight if Youkai kill too many.

—Dokuganryuu Masamune, giving a speech during the Great Youkai War that would become iconic of his character.

Dokuganryuu Masamune
Japanese 独眼流政宗
Romanization dokuganryū masamune
Race Youkai
Sex Male
Ht. / Wt. 35cm / 3kg
Status Alive
Class Warrior
World The Continent
Affiliation Dokuganryuu House, JAPAN
Level limit 70
Appeared in Sengoku Rance, Rance X
Mentioned in Rance Quest, Rance IX


Dokuganryuu Masamune is the current Youkai King residing in Oushuu in the northeast of JAPAN.

In the past, he fought against the former Youkai King Omachi in the Great Youkai War while allied with the previous Oda Nobunaga (father of the current one). After coming out victorious, Masamune gathered most of the Youkai in one country away from humans, so that both races would be able to live in peace without being in conflict with the other.

Personality and Appearance[]

He's a Youkai that is nothing but an eyeball with a pair of small arms and legs, making him much shorter than an average human. He's noted for being extremely popular with ladies, since most girls find him very cute-looking. He wears a bushi armor and a helmet with an inclined half-moon and a golden dragon in it. Most of the time, he's seen on top of a toy car that somewhat resembles a frog. He uses it for transportation, both in and outside of the battlefield.

Despite his rather wacky appearance, Masamune has the ideal traits of a noble and perfect King. He's a compassionate and wise man that fights for the rights of his race, but he seeks peaceful relations with humans because he knows conflict would only bring suffering for both sides. He's extremely strict with keeping Youkai away from humans' own conflicts, which is the reason why he chose not to take part in the Sengoku Era to unify JAPAN. He's compassionate, brave and an admirable individual, greatly looked up by his people and by others.

Masamune spending time with his four wives.

Due to his great personality traits and cute-looks, he's beloved by female youkai and has a harem of 4 wives who love him dearly. OmachiNoirOrime and Nogiku. Omachi was the previous Youkai King and the one that waged war against humans in the Great Youkai War, but she fell in love with Masamune after she was defeated by him. Despite his opposing personality, he is somewhat similar to Rance due to his laid-back and self-centered lifestyle. It is for this reason that Rance is constantly comparing himself with Masamune and trying to prove himself as superior, developing a one-sided rivalry with him. Masamune doesn't care about it at all, but he respects Rance due to his great skill and competence.


In battle, Masamune is a samurai that wields a long katana with an outstanding his skill. His talent in swordplay easily makes him one of the best in JAPAN, and rivals with that of a Level 2 Swordsman. He's an extremely fast opponent capable of landing precise strikes in the blink of an eye.

While small masamune is a very powerful youkai.

He also has the ability of seeing through illusions mirages, claiming that "his eye is not just for show", with which he was able to easily over-power even highly powerful fighters like Ieyasu Tokugawa

Last by not least, Masamune also possesses an ability called Eye Drops that allows him to fully restore his energy in battle, allowing him to keep fighting in long battles even after sustaining several injuries. 


  • See Date Masamune for historical reference.
  • In the old setting, he used to have a Level Cap of 70 and a Youkai Lv2 skill, but these were retconned after levels and skills were removed from Youkai in general.


Dokuganryuu Masamune's Harem