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Holy Valkyrie ExS-TIA F header art

Holy Valkyrie ExS-TIA F

From hit Japanese VN developer Lusterise! To investigate her mysteriously missing sister, Yuri sets out with Souma to a rumored island—only to discover Kaede Amakubo, who has no memories but looks exactly like her sister.

Steam Page
Developer
Lusterise
Publisher
Shiravune
Release
May 20, 2026
74 days ago
Steam Reviews
Positive22 reviews90.9%

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Updated: Jul 13, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 13, 2026Publisher scaleThe operating scale of the game's publisher.
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Search Google: Is Holy Valkyrie ExS-TIA F self-published or published by Shiravune?Publisher statusHow the game's publishing relationship is classified.
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Media

6 items

About the Game

GAMEPLAY & FEATURES

  • Single-ending visual novel with 20 minutes till credits

    STORY

    Strange news reaches the ears of Yuri Amakubo, the scientist behind the ExS-TIA system.
    On a remote island in the middle of nowhere was a woman who was the spitting image of her older sister Kaede. To uncover the truth, Yuri immediately heads to the island with Souma.
    There, they find Kaede—who remembers her name, but has lost all other memories. Surprisingly, she and Yuri possess identical pendants...
    Could this be the key to unlocking her past?

    CHARACTER


    Yuri Amakubo

    The female scientist behind the ExS-TIA system. Possesses a keen instinct.

    Kaede Amakubo

    Yuri’s older sister. A sophisticated woman in contrast to Yuri. Her whereabouts have long been a mystery.
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