Pirate's Infinite Life Extension

When the protagonist wakes up, he discovers that he has obtained the heaven-defying system. Face the Four Emperors and defeat them with one punch. Face the Five Old Stars and solve them with one punch. No one can escape the protagonist's punch. When the protagonist gets the system and has only seven days to live, In order to survive well, The protagonist completes system tasks to increase his lifespan. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.