A prostitute from Hananoya, O-Taki, has been killed. When Takuboku says, "I saw Kyousuke in O-Taki's room," Kyousuke becomes a prime suspect. Meanwhile, based on the fact that Takuboku's romaji diary was left in O-Taki's room, Kyousuke begins to suspect that Takuboku might have done it. Where does the truth really lie?
Behind Asakusa's Ryouunkaku
 at the Hananoya,
خلف برج ريونكاكو التابع لأساكسا
في الهانانويا
Hinter dem Ryōunkaku bei Hananoya
gibt es eine Frau mit dem Namen Otaki.
Otaki trabaja en Hananoya,
tras el Ryounkaku de Asakusa,
Otaki trabaja en Hananoya,
tras el Ryounkaku de Asakusa,
Une femme du nom d’Otaki qui prend
des clients à Hananoya, à Asakusa,
C'è una donna che lavora da Hananoya,
dietro lo Asakusa Ryōunkaku, che si chiama Otaki.
Ao lado do Ryouunkaku
de Asakusa, no Hananoya,
У башни Рёункаку, 
в Хананоя,