2 years ago when I worked in the ward office, a citizen called to the office to report that oil was leaked in the river. Leaking oil was the biggest problem to us because it was extremely hard to eliminate. So we were in state of high tension. I went the scene of accident and started survey how much oil flowed out, and where it was flowed out from. I investigated grasses and bank and every corner of the river. Finally, I found a trace that little oil flowed out from a drain. We had to go into the drainage to get more specific information and to find the source of the leak oil. The drainage looked very dark and dangerous. But everything we had is just electric torch and long boots and mask. So I was very scary. But on the other hand I had some expectation of first adventure into the underground.
             We equipped with long boots and mask and electric torch. Finally our adventure of finding traces of leaked oil was started. But right after I put my foot into the drainage, I could feel that this trip would not be exiting. I got some ominous presentiment.
             Inside of the drainage was so dark. Moreover, there was full of strange smell. I wondered where the smell came from because the drainage was only for rain water. The deeper we went into the drainage, the darker the drainage became. About 30 minutes after we put our foot into the drainage, the weird smell became stronger than the entrance. I had still searched the traces of oil in the drainage. We used our hands and eyes to find oil. We touched every doubtful thing and lighted up it to confirm whether it was oil or not. Traces of oil were along the drainage. Therefore we had to go along the drainage with checking. The deeper we went into the drainage, the larger my ominous feeling became.
             Suddenly I grabbed something soft. I got the gooseflesh without any certain reason. I lighted up the unknown thing. The color was white with flesh color. The size was about 20cm. The weight was about
             ...