エコール・ド・パリ殺人事件 レザルティスト・モウディ

Famous art dealer Akatsuki Hiroyuki is found stabbed by an army knife in a locked room of his own mansion/gallery. Door and window are locked, but a streak of the victim's blood is found on the window's lock and footprints in the sand of the garden below suggest an intruder's work. What would he gain from creating this locked room though? Is the key to solve this mystery concealed in Akatsuki's art book about the École de Paris?

姑獲鳥の夏

Kuonji Kyouko, the daughter of a family-run obstetric clinic in Tokyo's Zoushigaya, has been pregnant for 20 months. 3 months into her pregancy her husband Makio vanished from a locked room in the clinic. Her sister Ryouko wants to unravel the mystery around her family's clinic and contacts detective Enokizu and his "assistant" Sekuguchi.

霧越邸殺人事件

On a late autumn day dramaturge Yarinaka Akisaya, his 7 actors and his friend, the novelist Rindou Ryouichi, have to take shelter from a snow storm in a western mansion that suddenly appears from the depth of mist that ascends from a lake. They don't seem to be welcomed by the inhabitants but each get their own room designated. Even so they are continuously reminded by the servants that Kirigoe Mansion is not a hotel and that they shall not sneak about too much, especially they shall not enter the 3rd floor at all...

In this ominous mansion strange coincidences happen and the building itself is said to be a mirror that reflects the future of those who visit it. Little would the guests be able to guess how these occurences lead to a chain of murders after the mansion and its surrounding are totally covered by snow without any way to inform the outer world...

夏と冬の奏鳴曲(ソナタ)

To celebrate the 20th anniversary of their idol Mamiya Kazune, a group of people in their forties gather on Kazune Island where they once spend a year together worshipping her. Looking back on their young days they are accompanied by Kisaragi Uyuu and his assistant Maina Touri, who are supposed to interview them and write an article about their reunion. Eventually a decapitated corpse turns up... on a snowy morning in August.

鏡の中は日曜日

1987 a murder happened in the property of the Mallarmé-fascinated retired professor Zuimon Ryuuhshirou. At that time among others the great detective Mizuki Masaomi and his assistant Ayui Ikusuke were guests of Zuimon. Of course Mizuki solved the case brilliantly and Ayui created a new novel in his series depiciting Mizukis astonishing achievements. However this work was never collected as a tankoubon volume and remained unfinished in magazine form...

2001 the self-proclaimed great detective Isurugi Gisaku is called on by the editor of a publishing company. He wants to have the case investigated once more, finding it suspicious that this work has not been finished in 14 years. Might there actually be a mistake in Mizuki's deduction...?