"Kill me or release me, parasite. But do not waste my time with talk."
This article is contains imported information only. Please help by adding information pertaining to Kuro Arashi canon.

Itsuki Rakuso
Itsuki in his battle vest.
Biographical Information

Mahora, Japan

Physical Information

Intelligent Target Silencing Unit




221cm (7'3")

Hair Color


Eye Color


Family and Political Information
Known Relatives

Chachamaru Karakuri ("sister")
Myu ("younger sister")
Chachamaru Program combat units ("sisters")


Martian Droid Army

"Statement: All living things burn the same, I am an extension of my Master, and none shall escape the purgatory of her flames."
—Itsuki Rakuso, during the Mahora Fighting Tournament

Itsuki Rakuso (Kanji, Romanji), often designated as I.T.S.U. #13, which stands for Intelligent Target Silencing Unit, is a fictional character and primary antagonist in Kuro Arashi: The Black Storm.

Itsuki was built in fact quite similar in design to Chachamaru Karakuri and other robots built by Chao Lingshen (such as the Tanaka Program units) but came before them and looks a lot more artificial and robotic than the other units.

With joints and crevices clearly showing, and unlike the later model of Chachamaru, Itsuki is not ceramic but mostly strictly all metal. Due to the fact that Itsuki was built as a prototype for Chachamaru, that makes him her "older" brother.


Early LifeEdit

Itsuki doesn't have much history nor a past besides being a weapon since he was created. Itsuki was Chao's experiment to see if she could integrate Covenant with human technology and failed twelve times until I.T.S.U. #13 proved to be the first one successful unit. He was given the name Itsuki Rakuso by Chao.

Powers and AbilitiesEdit

  • Briareos4

    Itsuki in his battle armor

    Powers: To be expanded upon.

Technical Overview and UpgradesEdit

To be expanded upon.