Surrounded by the deep blue sea, the luxury passenger ship "Mary Rose" cuts through the waves. The Mary Rose is renown for the following - she services the wealthiest people from all corners of the globe and houses a particularly popular high stakes casino. The Casino offers not only gambling but a variety of shows, held daily. The Mary Rose is currently on a week-long voyage. The atmosphere within the ship is electric. However, on the final day of the voyage the peace is shattered by a terrible discovery. The body of a passenger, Victor, is discovered by cleaning staff in the VIP Room. Only three crew members have access to the Room. Filled with suspicion towards each other the three begin an investigation to prove their innocence.

"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!

The new fighter jet "Ghost Wing". The final tests are due to be conducted at home base during the President's visit. But suddenly after landing, the fighter jet explodes in a ball of flame. A transmission is sent to the three aircraft circling the skies above. "A bomb has been planted on the Knight 4 leading to it's total destruction. The president is current MIA. The terrorist who has targeted the president -- is amongst the six of you" The culprit, when discovered will be shot down. A desperate negotiation ensues--

"To those of you who lack the courage to die alone. Shall we die together? I'm waiting for those who are interested to contact me." Date: XX Month, 20XX. Somewhere in Tokyo. - Inspired by a post on a certain social media, six people seeking to end their lives gather. At the arrangement of the organizer of the suicide meeting, they will have a final dinner before leaving this world together before dawn. However, it turns out that the six cannot die together; the organizer is discovered as a corpse. Did the organizer commit suicide? Or... was the person murdered? Amid various speculations, the remained five begin to debate.