A Mysterious Murder Case Involving a Beautiful Girl: When I returned from my trip, I was met with the death of my sister and a mysterious message. Solve the mystery and uncover the truth!

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May 28, 2026
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僕の妹が死んだ。 GAME

🔍My sister is dead—

📩A mysterious message left in her room
━━━━━━━━━━━━
 To Big Brother
 W-O-K-I-A-A
━━━━━━━━━━━━

While stunned, solving the mystery
brings you closer to a terrifying "certain truth"…

🕵️A suspect emerges with each mystery solved
⚠️There's a "contradiction" in the suspect's testimony…

—Can you find the culprit?—
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