Suiten Ikaruga

, formerly known as, is a resident of Decapitation Island.

Appearance
Suiten is a tall and slender woman. Suiten has long, straight, silky hair and dark eyes. She has sunglasses that she wears on her head to push her bangs from her face. She is often seen wearing a white, traditional hakama with the exception of a black leather jacket that she adorns over her shoulders. Like her former classmate, Saotome, Suiten is often seen smoking.

Personality
Suiten has a normal personality, but she will get violent when somebody doesn't obey her rules ( i.e.= Oga didn't answer her question when he first met her). She gets more violent when she is drunk. She even gave Aoi vodka instead of water.

History
Suiten used to be an Ishiyama High School student along with Zenjūrō and Shinobu, during this time Suiten went by the name Nazuna. Suiten used to be the leader of Team Valkyrie who were feared as the strongest girl gang in all of Kantou.

She also appears to have a crush on Zenjuro, as she got upset with Oga when he said that Zenjuro did not want to rely on her. She also admired Zenjuro when he was in high school and thought he was extremely cool due to having already contracted with a demon and having a dark side.

Plot
Zenjuro and grandpa Kunieda asked for her help to improve Oga and Aoi's training in mastering and perfecting the Black Tech.

Power
Ankokubutō: A power that allows demon power emerge into her. In chapter 125, it is shown that she can "shoot" things without a pistol, using her fingers to send some kind of power towards the target.

Trivia

 * In Christmast arc, she and Izō Aiba said the same thing about, "Best Couple, has a nice ring to it".
 * Her relationship with Zenjuro is almost the same thing with Oga and Aoi's relationship.