Return of the Apocalypse

This book is also known as "The Growth History of My Younger Brother" and "In the End of the World, It Will Be Impossible to Have Protein in Everything We Eat" A 16-year-old otaku was playing games at home, and suddenly the apocalypse came. "I'm not afraid of death. It really hurts." … (This book is a parallel world and has nothing to do with reality. Any similarity is purely coincidental)