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?
One more thing. This was left 
at the scene, as well...
...ثمّة أمر آخر. وُجِدَ هذا في مسرحِ الجريمة كذلك
Und noch etwas.
Am Tatort fand man auch das hier.
Y otra cosa más.
Encontramos esto en la escena.
Y otra cosa más.
Encontramos esto en la escena.
On a également découvert
ce journal sur place.
Un'altra cosa. È rimasto questo sulla scena del crimine.
E mais uma coisa, isto também
estava na cena do crime...
Ещё кое-что. 
На месте преступления также нашли...