Voiced by: Daisuke NamikawaMasanosuke is a skilled swordsman hailing from a prominent family. He is very shy and despite his incredible talent, he is often fired because of his clumsy and awkward behaviour around other people.
- Beware the Nice Ones: Masa's a very competent swordsman, but his timid personality keeps him from holding bodyguard positions.
- Dork Knight: Of the Samurai variety.
- Shrinking Violet
Voiced by: Takahiro SakuraiThe charismatic leader of the "Five Leaves." A mysterious person, he dislikes telling about his own past and lives in a local brothel, protecting and flirting with the women working in there.
- The Charmer
- Lovable Rogue
- Mr. Fanservice: He's a Pretty Boy with hazel eyes and a sexy voice dressed in a pink kimono. One of the Red Light District's girls says that they are always arguing over who gets to sleep with him.
- Smoking Is Cool: He smokes a pipe.
- Stepford Smiler
Voiced by: Yuya UchidaUsually called "Matsu," he was once a lone robber and is now a member of Five Leaves. As a spy, he gathers information about their targets. He creates metal hair ornaments for women as a business to generate money outside of the Five Leaves gang and a pretense for spying.
- I Owe You My Life: To Yaichi, which is also the reason why he works for him, later he's also this to Masanosuke after the latter saved his life.
- Mistaken for Pedophile: Was mistaken for a lolicon when people thought he had the hots for Masanosukes little sister after he had given her an especially expensive hair ornament, which was actually just his way of thanking Masanosuke for saving him.
- Perpetual Frowner
- The Stoic
- Not So Stoic: In his arc, where he was imprisoned, and some parts of his past were revealed.
- The Quiet One
Voiced by: Masaya TakatsukaOwner of a tavern where the members of Five Leaves meet and discuss their plans. Getting revenge on a man who made his daughter cry was the catalyst for the formation of The Five Leaves.
- Bald of Awesome
- The Stoic
- Overprotective Dad: He's this to Okinu. The reason the Five Leaves was started in the first place was because he wanted to kill someone who had harassed her at work, but was convinced kidnapping was the better option.
Voiced by: Fuyuka OuraOtake is the local geisha of the Five Leaves. She is revealed as having used to work in a brothel until Yaichi paid her way out of bondage.