Hey, Anybody There? (Original 2013 Japanese release)

This is the original freeware version, released in 2013 under
the title "ごめんください" for Japanese players.

RPG Maker 2000 works. Japanese only. No hidden documents. No truth.

The Director's Cut on Steam is different.

The Steam version is here (it works without any special requirements and includes additional content to help you discover the truth)