It has been announced that Daisuke Sakuma will voice Shin Kohazame, a pink-haired assassin connected to the Chinese organization Yugang. KILL BLUE by Kuroko’s Basketball creator Tadatoshi Fujimaki is scheduled to premiere in April 2026.
Along with the casting announcement, new behind-the-scenes recording photos, a character visual, and a comment from Sakuma were released.
Key Visual:

ADDITIONAL CAST:
Daisuke Sakuma as Shin Kohazame

CAST:
Yuko Sanpei as Juzo Ogami
Fuka Izumi as Noren Mitsuoka
Shuichiro Umeda as Kotatsu Nekota
Takeo Otsuka as Tenma Tendo
Atsumi Tanezaki as Chisato Shiraishi
Yumi Uchiyama as Eri Wanibuchi
Shunsuke Takeuchi as Juzo Ogami (Adult)
STAFF:
Director: Hiro Kaburagi
Character Design: Miho Daidōji
Animation Production: Studio CUE
KILL BLUE is written by Tadatoshi Fujimaki and published by Shueisha under Jump Comics. In the United States, the first four manga volumes are currently available. Volume 5 will be released on February 3, 2026, followed by Volume 6 on April 7, 2026.
STORY:
Jūzō Ōgami is a legendary hitman who has never failed an assignment, no matter how impossible. One day, after wiping out a powerful organization, he is stung by a mysterious wasp and collapses. When he wakes up, the fearsome 39-year-old assassin has been transformed into a 13-year-old boy! Before he can even process what happened, his boss delivers a new order: “In that body, infiltrate a middle school.” What awaits him is an unexpected school life filled with colorful classmates, youthful chaos, and looming danger. Can Jūzō ever return to his original form? Or will the assassins closing in on him end his second life before it even begins!?
Source: Press Release
©Tadatoshi Fujimaki/SHUEISHA, Kill Blue Production Committee
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