(System + time travel + cool text + extra points + pretending to be a pig and eating a tiger + calmness + decisive killing)
Xu Changsheng, who had just traveled to another world, only had 0.1 Days left to live, and he obtained the Happy Immortality System.
Simply being happy can increase your lifespan.
Have a long chat with the oiran and get an additional year in life.
Make an alliance with the Empress and gain 10 additional years of life.
Save the dynasty and be loved by the people, gain an additional 100 years in life.
…
Then exchange the increased life span into Dragon Emperor Sword, Ten Thousand Worlds Immortality Technique, Nine Nether Cold Water Technique... Various treasures.
This way you will always be happy and strong
It is rumored all over the world that when immortality arrives, the empress cheers, and when immortality appears, the genius screams
The happy longevity system is very interesting