Z, a name who is like a complex equation everyone wants to solve. As much as they want to meet Z, they're also terrified because everyone is a potential target. She moves like a shadow giving the target no chance to escape. Z, a name who constantly disrupts the peace of world. Brings a chaos every time the most dreaded code, Z, appear. Z, a name anyone would loathe in the law society, feared by the criminals but would be worship like a god in the hacker world. But what if that code, Z, completely vanished for a long time? Will that code be error found? Will that code be forgotten in the dark? --- Highest Rank: #1 - Hacker (01/29/2021) #1 - Computer (02/17/21) #1 - Code (03/08/21) This book is written in full English.