Kouha Ren is the Kou Empire's third Prince, he's a General of the Kou Empire together with his two brothers, Kouen and Koumei Ren.
Kouha appears as a young boy with a feminine aspect. He has long pink hair, short in the back and has three braids on his fringe He has two golden bracelets, but his Metal Vessel is his sword.
He appears to like hitting his attendants particularly the females. He is quite childish and behaves like a spoilt brat.