The Genius Mage Who Sells Lifespan

The empire had fallen. At the very end of a death stained with regret. [I shall lend you my power. The price will be your lifespan.] The Demon God gave him a chance. [Entertain me once more.] Having returned to the past, Gale made a vow. “In this life, I will give everything I have and save the empire, no matter what.” — Description from novelcodex.orgFull novel: The Genius Mage Who Sells Lifespan — read the rest free on N​o⁠v​e⁠l​C⁠o​d⁠e​x⁠.​o⁠r​g⁠