Character profile
Shion Yasuoka
安岡紫音Biography
Shion Yasuoka is a junior-high student who communicates by writing notes and develops an interest in shogi under the influence of her foster father.
Story spoilers
After witnessing the aftermath of her parents' murder at age five, she stopped speaking. A king shogi piece found at the scene leads her to suspect that the unidentified killer plays the game.
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