Hakutoku Ren

Hakutoku Ren (練白徳, Ren Hakutoku) was the Kou Empire's First Emperor and husband of the current Emperor, Gyokuen Ren.

Appearance
Although he has only appeared once and in a silhouette, it is shown that during his time as the Emperor of the Kou Empire, he wore the Emperor's hat - a hat that is later worn by his brother, Koutoku Ren.

Personality
According to his daughter Hakuei, Hakutoku shared the same vision of the One World as Kouen, and that's said to be the reason he unified the three countries that were fighting each other in the Eastern Plains. He's also said to be severe.

History
Hakutoku founded the Kou Empire, he unified three countries in order to save the people of Tenka in the extreme Eastern Plains who were suffering because they were divided and fought against each other.

He had four children with his wife, Gyokuen Ren (from older to the younger): Hakuyuu Ren, Hakuren Ren, Hakuei Ren and Hakuryuu Ren.

Hakutoku and his two older sons, Hakuyuu and Hakuren, died in a fire during a revolt and said to be killed by remnants of Kou's defeated enemies, unknowing that it was set up by Gyokuen Ren.

Pirates Arc
His silhouette is seen in Hakuryuu's memories, when he was saluting his people and his Empire was being acclaimed by the country.

Trivia

 * His name means White Virtue in Japanese.
 * Hakutoku's name was only revealed in the Magi Guidebook.