Jian Yi, who has been inspired to be someone else's child since childhood and became an excellent problem solver, unexpectedly stepped into the deep world. Looking at the dazzling array of books in front of him, "On the Three Elements to Exorcise Demons" and "Twelve Mixing Ratios of Holy Salt" that filled the entire bookshelf... Jian Yi said: Finally, I have new knowledge to learn. It's so interesting!
