Another contribution from jfuruk

Okiraku Shufu no Gouka
Luxury Beauty Resort Murder Case (1998),
Luxury Christmas Resort Murder Case (1998),
https://reurl.cc/Gp13bW (thanks to jfuruk)
Luxury Ski Steam Tour Murder Case" (2000),
Himitsu (1999)

https://reurl.cc/KeOdAR