Under the Sea

In the parallel world theory, every time a choice is made, the universe splits and the parallel world develops in two directions. In a certain world: The COVID-19 epidemic began in 2019. On May 5, 2023, the World Health Organization announced that the COVID-19 epidemic no longer constitutes a "public health emergency of international concern." And the COVID-19 epidemic is over. On August 24 of the same year, Japan dumped nuclear sewage into the ocean. Humanity, which had not recovered from the torrential rain of three years of epidemic, was once again shrouded in the haze of genocide... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.