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Kiro Act 2


Yakuzas (Formerly)


Alive (born in 1990)




Japanese Sports Bike (Destroyed, can be bought a new one at the Car Dealer on Palermo, Italy)


Kienji (Younger Brother)
Vinnie(Adopted Older Brother)
Vinnie's Father (Adopted Father/Uncle)
Kazuki (father)
Nico (Older Cousin)
Darwen (Younger Cousin)



Triad Chief: You came so far to die! you could've chosen a more peaceful location.

Kiro: I have no intentions of dying!

-Kiro confronting the Triad Chief.

Kiro is the main protangonist of Sift Renegade, one of the antangonists in Sift Heads 5 and one of the playable characters of the Sift Heads World series


Spoiler warning!
This article contains plot details about an upcoming episode.

Early LifeEdit

Kiro is the son of a well known family with direct ties to the Japanese mafia; better known as the Yakuza. He was one of the best assassins of his clan and with a portfolio garnished with so many assassinations it’s no surprise that he quickly became one of the best killers in the orient. His dexterity with all types of Samurai weapons would become essential and his expertise. One day his youngest brother, Kienji, would lose his life because of the internal corruption that was raging among the organisation. From that day Kiro’s anger exploded into a black vengeance. He would quickly discover who the killer was; Vinnie. (See Sift Renegade 2) Although he would also discover that the hit was ordered from within his own clan. After much bloodshed Kiro and Vinnie would put their rivalry aside and find a common ground. In that same instance an unpredictable association would be formed between them. From there Sift Heads World – Act 1 begins.


A real modern Samurai. Kiro was once known as the best killer of his clan, the Yakuza. But after a betrayal and the killing of his brother he has rebelled against the group, murdering all those responsible or anyone who got in his way. Certainly the best of the team when it comes to persuasive tactics.

his Father Kazuki was Killed by Master Yuuma


Family Edit

Kiro has one confirmed sibling, his younger brother, Kienji, who was killed during Sift Heads 4. According to that mission's details, the younger brother was planning a revolt with other young members of the Yakuza against the older members. Vinnie was hired to stop the revolt by killing the brother while he was being flanked by two guards.


  • Kiro is a fan of sport bikes, which is his signature means of transportation in the Sift Heads series.
  • If Kiro stays idle during the Sift Renegade games, he will begin stretching and cracking his neck.
  • He always carry his katana on his back, but it can only be used during the Sift Renegade games (not including action scenes during Sift Heads World).
  • Depending on which character is chosen during SHW- Act 5, Kiro can get injured by the rocket launcher that overturns the bounty hunters' jeep.
  • If he is chosen during SHW-Act 3, he may accidentally walk into the safehouse's bathroom while Shorty is bathing. She will ask him, "Are you trying to make Vinnie jealous?" He will quickly respond, "Sorry, wrong door!"
  • Often annoys Vinnie by teasing about his age. ("You even look like an old, retired bounty hunter..."; "At least your girl is young!")
  • It is a rumor that his last name is either Takahashi, or Yamamoto.
  • The Kanji on his katana reads "Umeruto" (梅根 Blossom Stem), this could be the katana's name.
  • He is the only Playable character in Sift Heads World not to wear glasses.

Relationship with other ProtangonistEdit


After Kiro killed several members of the Triads he found out that they hired Vinnie to kill his brother, Kienji. Kiro then kidnaps Shorty in order to lure Vinnie and try to kill him. When Kiro got defeated by Vinnie, Vinnie spared him and told him to kill the one who hired him instead. Kiro then continues his Renegade and later becomes Vinnie's new partner.

When Kiro finds out that Vinnie likes to live in the past, He started to make fun of him. Kiro stopped after Vinnie told him to throw himself out of his car. Kiro still liked Vinnie since he liked his equipment and has interesting missions.

After they killed Alonzo and Yumma, Kiro tried to help Vinnie from Criminal orginizations but the leaders got away. Kiro wonders how Vinnie is notorious to crime sindicates. Kiro then started to guard the safehouse gates and told Vinnie that if leaves his HQ unprotected it might get blown up again.


After Kiro attemps to kidnap Shorty during his renegade. Kiro and Shorty seemed to be friendly to each other. When Kiro fought Yakuza Bikers, Shorty asked him if he needed any help.

Despite of their friendly relationship, they usually tease each other during SHW: Act 3, Shorty told Kiro that she and Vinnie will miss his enemies more than they will miss him, also when Kiro go to the bathroom while Shorty is bathing and she will say "Are you trying to make Vinnie jealous?" Kiro then apologizes and said he is just at the wrong door and if Shorty talks to Kiro while he is playing basketball Kiro says "Don't worry I won't scratch your cooper!" this could mean that Shorty is aware that Kiro might accidentally break her things. She don't like when Kiro act rowdy, as shown in SHW Act 4 when Kiro jumped out of a helicopter without a parachute. Besides all that, Shorty loves Kiro as a good friend. Kiro sometimes often flirt with Shorty, but never around Vinnie, who would probably confront him.


Game Playable Notes
Sift Renegade 3 Yes Only playable in two levels
Sift Renegade  Yes
Sift Heads 5 No The main antagonist of the game. He kidnaps Shorty
Sift Renegade 2 Yes
Sift Heads World Act 1-7 Yes
Sift Heads Street Wars No Can be talked to be Vinnie in the prologue.

Sift Heads Assault 1-3

Yes His eyes can be bought at the store
Sift Heads Cartlets 1-3 Yes (except 1 & 2) Can only be played almost at the end of Chapter 1

Known characters killed by KiroEdit

Character Reason Game
Triad Chief For being person responsible for Kienji's death. Sift Renegade
Master Yuuma For trying to kill him and Vinnie

Sift Heads World Act 7: Ultimatum

Characters Kiro can kill at Sift Heads WorldEdit

This Characters Kiro can kill if he is chosen.

Character Reason Act
Antony Harris For being a corrupt chief of police 4
Police Comissioner For being accociated with the Mafia 6


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