|(霧隠 才蔵, Riku Shichirou)|
|Appears in||Manga, Movie|
|Academy Grad. Age||12|
|Chūnin Prom. Age||13|
The only thing that is known about Riku past is he left to do missions because of not trusting companions due to the death of one partner in the past. Since that day he dedicate his time to train to leave the village, but when is leaving the Mizukage give him a opportunity to participate in ISS exam and leave the Village not becoming a Missing-Ninja.
Though Riku may appears uncaring, he shows that he has a soft side, which is shown when he always help Miku Hyūga. He is shy and lazy, although he like help everyone around even if he do not like when people know it.
Riku is a lean man, with dark green eyes, and black-colored hair. He usually wears dark clothes, use the forehead protector like a belt and brings Yin-Blade in his back.
Riku's use a unique style of fight, combining perfectly Water Release and Lightning Release with his sword, Yin-Blade. Using a agressive and fast combat style his tatic is dont leave enemy breath or think using a lot of chakra in each hit he make, but hes true power come from his blade how consume human life and is capable of destroying mountains with a single blow but make something like this could take his life.
During his time as a Kirigakure-nin, Riku was one of the Seven Swordsmen of the Mist, a group composed of the village's top swordsmen. Riku's signature weapon was the Yin-Blade, an over-sized broad sword with a special power, whose shape was thought to decapitate enemies. Yin-Blade power is based in Yin Release it consume the life of the user to be more powerfull.
- Riku means "land" and come from Japanese 七 (shichi) "seven" and 郎 (rou) "son". This was traditionally a name given to the seventh son.
- Riku's hobby is drink diferent drinks;
- "I come to ISS to not kill myself..."
- "The true power is not our jutsus or our skills, it comes from our heart..."