- ... They were mainly busy to build this huge concrete block where there was the luminous fluid puddle.

--- Oh my god! That symbol!
- James, is that your wife and your daughter went close to that fluid?

- Yes, it was them who had shown me it. When I came back home that night, I found them both in a sorry state. They have been sick for two days, then they recovered.

-- ...And their condition got bad again several weeks later, isn't it?
- Precisely... How can you know that? I don't think I told you about this before!

- The irradiation, they were exposed to radiation.