Power: I Have an Assassination Book

After Xiao Jiang graduated from university, he could not find a job, so he could only live in a shabby hut and live a life of poverty... People around him despised him, his girlfriend left him, and his brother betrayed him... Until one day, he accidentally obtained a book called "The Art of Assassination". After he studied from the book, his body experienced strange changes. What, I can walk through walls? What, am I going to be invisible? One day, several men in black came to find him. He was taken to a small island and transformed into an assassin! Since then, a legend has circulated in every evil corner of Blue Mercury: There is an unscrupulous assassin who specializes in sneaking into other people's houses and peeking into other people's baths... Xiao Jiang sneezed. All he did was to eliminate harm for the people. He was the next king of assassins!