Scared: I Was Reborn After the Sewage Was Discharged

Several years after the Japanese, who were living a good life, discharged nuclear wastewater, all living things on the earth mutated, and people's organs and spirits underwent qualitative changes to varying degrees. However, as one of the few unmutated people, I died unexpectedly. I opened my eyes again and unexpectedly returned to high school. I wanted to enjoy a peaceful life but found... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.