Takemaru Abiko

"The 8 Mansion, so called because its owner Kikuo Hachisuka, constructed it in the shape of a figure 8, is the scene of two gruesome crossbow murders. First Kikuo's son, and then another resident who witnessed the first murder, are slaughtered in seemingly impossible circumstances. The crimes are investigated by Inspector Kyozo and his accident-prone assistant Kinoshita, but they are actually solved by his brother Shinji, who delivers a "quasi-locked-room...