Novel and ff ideas for authors

A human from earth who likes to read manwha, manhua, and manga one day, the human found a manwha with a common plot but the human read it anyways as the human just finished a very good manga and wanted to find another one. But since all of the manwha, manhua, and manga have the same plot and its hard to find the good ones, the human have no choice but to randomly select one of these to read and it was this manwha but when reading it the human got bored of it and decided to drop it, but suddenly the world turned upside down as many monsters appearing out of knowhere and killing all humans around this human. So the human ran and hide and the human found this very familiar so the human checked the calender and checked the manwha it just dropped and it has the same plot and saw that the current time of monsters appearing are exactly the right time as in this human's phone and when he saw it. The human thought it had found away to survive and told others about this manwha, but when the other humans heard about it, one of the humans also who likes to read manwha's and a nerd of it, searched for it and found that it was not appearing on any site and apps. So when the nerd found out about it, the nerd laughted at the human as the nerd actually believed the human. When the human heard about this it realized that it is the only one who can read it, so with no choice the human used this manwha to survive in this world while the human also travels to korea to meet the mc of the manwha. But how will the human do that since the human's phone battery is not unlimitted?.

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What do you think of my idea? Is it good or not? Comment down and let me know.