chapter 137 magical mathematical formula

The reason why Diarmaid Irwin expression changed drastically when he heard the words "Fuchun Library" was because "Fuchun Library" was actually the purpose of his and Xiao Ding's visit to Japan this time.

Perhaps even the Japanese people would never have imagined that the Fuchun Library, which has existed in Tokyo for more than a hundred years, would actually have a virus research laboratory underneath.

Diarmaid Irwin also learned about this after absorbing Harada Shinichi's...