Hero of the demon beard. Calm and composed, bold and fearless, a man baring both propriety and valour. Also active as a strategy advisor. Even Sousou look to having him as a subordinate.

Under that Oni mask, a tragic past is concealed. Known as "Chousei" in the past. He lost to Ryofu in the fight to protect his village and as a result his village is burned down and the villagers are killed. His lover Rouran was killed too. After that he puts on the Oni mask and live to seek revenge from Ryofu. That was until he met Ryuubi, who made him rethink his actions. Later he became sworn brothers with Ryuubi and Chouhi.

After the fall of Toutaku, Sousou and his forces attempt to convince Kan-u to leave his oath brothers and join with them.

In Gekitotsu hen he was with the Sousou Troops for a while but due to Kakuka's suspicion that he was a spy, Kan-u was on roll for execution. Later he break out of jail with Shuusou, the Kan-u team is formed together with Kan-pei and Shuusou. They head for Ryuubi with the Sekitoba entrusted to him be Chouryou.

Weapon: Oogaryuugetsutou