Hiro Kasai is a character in killer7. He is a member of the Liberal Party in Japan. He works to negotiate between his party and the US. In Sunset, he sends Garcian Smith to the KAKU building to assassinate Jean DePaul. He makes another short appearance in Smile much later in the game, falling from a rooftop in bondage gear, seemingly forced to by Kenjiro Matsuoka. That is where he meets his demise. Because he was not clearly identified as Kasai in this scene, some fans mistakenly believed him to be Iwazaru due to the bondage gear.

According to Hand in killer7, in 1967, Kasai met with Harman Smith in Hakone, Japan and gave the Smiths a mission involving investigating the security of the votes of countries involved with the Asian Security Treaty. However, it is extremely unlikely that this information is accurate as Kasai would have been nine years old at the time.

killer7 characters
The killer7 Harman Smith · Garcian Smith · Dan Smith · KAEDE Smith · Kevin Smith · Coyote Smith · Con Smith · MASK de Smith
The Smith Syndicate Samantha Sitbon · Christopher Mills · Iwazaru · Kikazaru · Mizaru · Travis Bell · Kess BloodySunday · Yoon-Hyun · Susie Sumner · Mad Doctor · Gary Wanderers
Heaven Smile Kun Lan · Heaven Smile · Gatekeeper · Kenjiro Matsuoka
Angel Angel · Red Gunners · Bianca · Pussy
Sunset Toru Fukushima · Young Guys ×3 · Jean DePaul · Julia Kisugi · Spencer · Hiroyasu Kurahashi · Shinya Akiba · Hiro Kasai · Mary · Plenty
Cloudman Andrei Ulmeyda · Stacy Spangles · Cult Member · Old Man · Man in Photograph · Drug Store Employee · Postman · Security Guard · Gabriel Clemence · General Lynch · Helga
Encounter Curtis Blackburn · Curtis's Bitch · AYAME Blackburn · Pedro Montana · Mary Montana · Archangel · Xenia
Alter Ego The Handsome Men · Steve Thunderson · Trevor Pearlharbor · Singer · Mithra · LOVE Wilcox
Smile Linda Vermillion · Edo Macalister · Dimitri Nightmare · Holbert · Emir Parkreiner · Benjamin Keane · Greg Nightmare · Solitaire
Lion Last Shot Smile
And... Johnny Gagnon
Hand in killer7 Jaco Checkbox · Jim Townsend · Susan · Graham MacAlister · Jack Foley · Mr. A
killer is dead Shigeki Birkin · Samayoru · Mario Castiglioni
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