Three years ago, Liang Tian accidentally obtained the "All Things Lottery System". As long as he completed the parent-child task, he could win the lottery. At first, he just wanted to be an ordinary dad and live a stable life with his daughter Liang Xiaomeng. However, as the number of draws increases, he gradually discovers that the world is not simple - demons disguise themselves as humans and lurk in the city, and there will be a catastrophe every hundred years.
What shocked him even more was that his daughter Liang Xiaomeng contained fragments of ancient artifacts sealed in her body, which were treasures that the demons had coveted for thousands of years. When the demon king "Heaven Eater" comes to the city with twelve demon generals, Liang Tian is forced to make a choice between "hiding to protect his daughter" and "standing up to save the world."
He originally wanted to take his daughter and escape, but the system told him that escaping would only lead to disaster early. So, this seemingly ordinary single dad, holding his daughter in his left hand and drawing a prize in his right hand, began a game of wits with the monster. He wants to use all kinds of weird props obtained through lottery to build a defense line against monsters in the city. At the same time, he also needs to take care of his daughter's kindergarten life, parent-child activities and bedtime stories.
When responsibility and selfishness conflict, when reason and emotion intertwine, Liang Tian discovers: The so-called salvation is just the daily life of a father protecting his daughter's growth.
