The Setagaya Family Mystery

Sources:

https://en.wikipedia.org/wiki/Setagaya_family_murder

https://medium.com/the-mystery-box/what-we-really-know-about-the-setagaya-family-murder-a87389875e71

https://www.asahi.com/ajw/articles/14085667

https://mysteriousuniverse.org/2021/09/the-gruesome-japanese-unsolved-mystery-of-the-setagaya-family-murder/

https://www.keishicho.metro.tokyo.lg.jp/multilingual/english/safe_society/wanted/seijo.files/eng.pdf

https://www.abc.net.au/news/2019-12-29/the-house-of-horrors-in-setagaya-japan/11771304?nw=0&r=HtmlFragment

https://mainichi.jp/english/articles/20151231/p2a/00m/0na/008000c

Songs:

An Obsession - Dayon

Secret Light - Max Anson

Silent Screams - Bill Ferngren

Superior - Silver Maple