2021, Japan is now facing to serious population decrease because of unknown male’s infertility. Keiko and Kazuki are co-working to search for its cause and get an unexpected result. This story is not a simple Science Fiction but warning the real risk of Micro Plastic affecting human health. ※本作品は拙著「不妊列島」の英語版です。日本語が読める人はそちらをお読みください。