"Spend one year and seven months of lifespan to improve the Boy's Grounding Skill."
"Spend one year and seven months of lifespan to improve the Golden Bell Shield."
"Spend one year and seven months of lifespan to improve the Iron Shirt."
"Spend one year and seven months of lifespan to improve the Thirteen Guardians' Iron Body."
"Combine the Golden Bell Shield, Iron Shirt, Thirteen Guardians' Iron Body, and Boy's Grounding Skill to obtain the Golden Body Art!"
This is the story of a cheat who spends his lifespan to improve his martial arts, then does whatever he wants in another world!
Take life and death in stride. If you don't like it, fight!