Invincible starts from fooling the old man and cultivating immortals

Qin Chuan came to the parallel world and bound the system.
System: "Please host to guide the whole people to cultivate immortals."
Qin Chuan was shocked.
Who believes in cultivating immortals these days!
But in order to complete the task, he took people to cultivate immortals in the form of a training course for immortals, during which he was sent to a mental hospital many times.
He was ready to give up when he hit a wall, until he met a group of aunts and aunts.
……
The 93-year-old uncle of the refining department was refining at home, and happened to be discovered by his great-granddaughter who was broadcasting live.
The 100-year-old uncle of the combat department held a birthday banquet. In addition to being happy, he came to fly with the sword.
The 80-year-old aunt of the alchemy department visited her granddaughter who was in college but was recognized by her classmates as her sister. ...