僕の妹が死んだ。

I was waiting for me came back from the trip, Sudden "death of sister" And left in a room [Mystery of the message]

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To brother

-Out your · · □ · Oh-Oh

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In that stunned, so that approaches the dreaded "some truth" by solving the mystery ....

In solving the mystery, they emerge come suspect.

The suspect of the testimony "a contradiction" is ....

- Or you can find the culprit? -