When a person dies, they either die light as a feather (aka unimportant) or heavy as Mt. Tai (aka very important).
Their nature is certainly not ordinary. So when these kind of people do not die as extraordinary people, their hearts will have some lingering wishes.
Souls with lingerings wishes in their hearts, just one bowl of soup from Meng Po (the soup from the underground that makes you be reborn as a baby in the above world again; cycle of rebirth) isn’t enough to let them forget past events. Souls that aren’t pure enough can’t go through reincarnation.
Therefore, they need –
Hello, this the department of purifying souls in the underworld, serial number 666 Lu Heng (MC) is at your disposal. Our service obejctive is: fulfilling your wish to die importantly, additionally, never being OOC!
Lu Heng: Left the name in the annals, this evaluations grade will be for sure S+!