神のロジック 人間のマジック

Eleven-year-old Mamoru finds himself being handed over by his parents to a strange facility that certainly is not on Japanese ground. Even knowing he will return to his parents when starting middle school, he needed some time to adjust to the new environment but eventually got used to it and found new friends among the other five students in the rather unusual residental school in the midst of nowhere.

Half a year after he arrived at the facility, the students finally start to discuss various theories about why they are gathered in this building from all over the world to routinely work on the deduction workshop's assignments.

When a seventh student is announced, things start to distort like they did when another student arrived before Mamoru came and eventually disappeared without any trace. Is there really a black evil something in this facility that despises change? Everything gets out of control when the first murder happens...

人格転移の殺人

A sudden earthquake forces 6 people in a fast food restaurant to take refuge in what seems like a shelter when the restaurant's collapse is nearing. This place however turns out to be a personality switching facility and when they wake up they are situated in an isolated locked up space, with their personalities in swapped bodies, which begin to get murdered soon. Whose personality has murderous intents and what is the motive...?

『クロック城』殺人事件

In 1994 a sunspot 30 times as huge as the earth was discovered and by its influence the planet has been in disorder since then. The world is said to meet its demise in 1999. It is in that year, that a certain request for detective Minami Miki drops in. He proceeds to Clock Castle, whose outer wall is furnished with 3 huge clocks which display past, present and future, and whose interior is divided into 3 separate mansions as well. The proprietor's daughter, Kurou Ruka, is said to be Midnight's Key, a crucial being in earth's final moment. She asks Miki to investigate the eerie face staring out of the cellar's wall. Ruka suspects a ghost called Skipman, which rumor has been passed on in the mansion for generations. This Skipman is supposed to be able to rip a hole into time and travel into the past and future. Soon after Miki begins his investigations, a seemingly impossible murder resembling the legend of Skipman ensues...

海底密室

Science magazine journalist Sumisaki Yutori visits the deep-sea experiment facility 'Bubble' for her research. She learns about the death of one of the facility's permanently based inhabitants which was handled as suicide due to a certain locked room circumstance. However during Yutori's stay the mysterious fatalities continue and it becomes questionable if these events can still be seen as suicides or accidents...