[DeepL Translation - needs review] Introduction to Volume 1: Further misfortune befalls the Hinuma family, including brothers Souji and Koji, who lost their parents in the sinking of the Toya Maru in 1954, and their cousin Aiji. Koji dies in the bathroom in a closed room. And their uncle Tojiro also dies of gas poisoning - murder or accident? A battle of deductions begins between Hisao Nanamura, a fledgling singer, and others. The "great masterpiece in the history of mystery novels" is now a...
