Kaze no Banri, Reimei no Sora
Though he started out as a government official of Hou, he was later chosen to be the Emperor. During his reign, Chuutatsu became disgusted by the corruption of the citizens and lost his way (shitsudou). He began to have his people executed for even petty crimes. As a result, he is overthrown and beheaded in a rebellion led by the Gekkei.
He is the father of Shoukei, and his name before ascending the throne was Son Ken. Posthumously he became known as Retsu-ou.
Chuutatsu — 仲韃 (relationship + proper name)
Hou-ou — 峯王 (summit + king)
Son Ken — 孫健 (descendants + health)
Retsu-ou — 洌王 (purity + king)