Brother Yao, Let Me Lend You My Life!

Slay demons to gain upgrade experience, complete tasks and break through to the realm of cultivation. When Lu Yao woke up, he traveled to a world where humans and monsters coexisted. Fortunately, there was a system around him. "I have been walking on thin ice in my life, and my achievements are inseparable from talent, sweat and wisdom!" "Is this book for people to read?" "System! Upgrade it!" The world is dangerous and people's hearts are unpredictable. It's hard to tell right from wrong with just a three-foot green sword in your hand. "I'm sorry, Brother Yao." "For world peace." "I'll lend you your life!" Who knew that the family heirloom sword would shorten his lifespan if he didn't eliminate demons? "Brother Demon, this time I really won't stop until I die." ... Also known as "This monster hunter is not serious" and "Why do I, a modern person, want to catch monsters"