|Iai Hand-Sword: Seventh Form|
|Romaji||Iai Shutō Shichi no Kata|
|Manga||Ōbi vs. Benimaru|
Iai Hand-Sword: Seventh Form (居合手刀 七ノ型, Iai Shutō Shichi no Kata) is a fighting style that is used by Benimaru Shinmon. To ready his stance, Benimaru ignites flames on his finger, and rotates his arm in a circle, creating a ring of fire behind him that resembles a sun, and stands with his knees slightly bent.
- Iai is (居合) is a modern Japanese martial art and sport that emphasizes being aware and capable of quickly drawing the sword and responding to a sudden attack.
- The word "Form", coming from the Japanese word Kata (型) are detailed choreographed patterns of movements practised either solo or in pairs, and are used in many traditional Japanese martial arts, including iai.