(Lighthearted comedy + System + post-apocalyptic sci-fi + wild imagination)
He encounters a wild bear.
System: Time to show off!
He encounters mercenaries.
System: Time to show off!
Protagonist: Get lost! You want me to show off in front of mercenaries? Do you want me dead even faster? How many people have you gotten killed already?
System: Historically, most people who showed off ended up dead!
A troublesome System that could leave at any time is sealed inside the protagonist's brain by the witchcraft of a primitive tribe, through a twist of fate. From then on, they're bound together in life and death. What will happen next?
An deliveryman, killed after his wife cheated on him, transmigrates to a wondrous world. After gaining superpowers from the System, he is persecuted by the Five Great Families and embarks on a grueling journey of evading their pursuit and fighting back.
As he clashes with the Five Great Families, one brilliant scheme after another unfolds, and the battles grow ever more intense. In the end, he leads a horde of extraterrestrial beasts and wipes out the Five Great Families.
