黒ユリに囚われる前に

The protagonist wakes up and finds himself trapped in a bird cage. He doesn't remember why he is here, why he was locked in the birdcage, or even who he is in the first place. Strangely enough, the key to unlock the birdcage has fallen at his feet. He opens the key and explores the terrifying and strange Western-style house, searching for himself and the way to escape from this Western-style house .....