Searching for Immortality: Failed Again

This is the life of a man who constantly fails in his search for the secret of immortality. Saitama's training method, the elixir of life, virus modification, genetic mutation, ancient martial arts training, and the awakening of supernatural powers. He has been looking for the secret of immortality. Can he find the secret of immortality? He will try his best every time we meet? Have you ever thought about immortality? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.