"Special offer for four winners per month! Luxury dinner and free accommodation!" To investigate "Blackburn", the mystery proprietor luring participants to his mansion through this strange campaign, you travel to the isolated mansion. However, that night... Blackburn is found as a dead body. The only people in the mansion are you, and the three other winners. Conduct an investigation to discover the culprit and solve the mystery!

"Special offer for four winners per month! Luxury dinner and free accommodation!" To investigate "Blackburn", the mystery proprietor luring participants to his mansion through this strange campaign, you travel to the isolated mansion. However, that night... Blackburn is found as a dead body. The only people in the mansion are you, and the three other winners. Conduct an investigation to discover the culprit and solve the mystery!

Ryu and Sen, who live in Japan, join an event "English Puzzle Club" and will solve a puzzle while speaking in English.

Detective and Assistant visited the villa of Mr. Parker, the president of the town's newspaper company. However, a few hours later, he was found dead.