Bloody Monday Series by Ryou Ryumon

Takagi Fujimaru may seem like a regular high school student, but behind the cheery facade lies a genius hacker by the name of Falcon. When his father is framed for a murder, Falcon uses his brilliant hacking skills to try and protect his sister and clear his father's name. However, he finds that his father, an agent in an elite government agency, was involved with something far more complex than a simple murder... moreTakagi Fujimaru may seem like a regular high school student, but behind the cheery facade lies a genius hacker by the name of Falcon. When his father is framed for a murder, Falcon uses his brilliant hacking skills to try and protect his sister and clear his father's name. However, he finds that his father, an agent in an elite government agency, was involved with something far more complex than a simple murder. A terrorist group is plotting against the city of Tokyo and it is up to Falcon, with the help of his friends to unravel the twisted plans set in place to kill millions of people. less

As Fujimaru dives deeper into investigating the enigmatic "Bloody Monday" data, the stakes are raised when his sister is abducted. The terrorists demand Falcon complete a hacking job for them in exchange for his sister. Time is short as his sister is in urgent need of dialysis. Can Fujimaru break free of the terrorist's insidious manipulation and find a way to save his sister without helping the terrorists further their agenda?

When Ryunosuke learns more about the viral terrorism plot called "Bloody Monday", he becomes determined to uncover the conspiracy that others have kept hidden. Who is the mysterious K? What is Maya's role in all of this? And what could "Bloody Monday" mean for the final fate of Japan-- and the world?

Decoding top secret files or hacking into high security government servers is usually the easy part. But if in the process, you happen to step on the toes of fanatically determined cultists, the consequences could be unthinkable…In order to prevent another tragedy, Fujimaru desperately attempts to decrypt the final part of the Shikimura file, which may contain clues to an anti-viral... moreDecoding top secret files or hacking into high security government servers is usually the easy part. But if in the process, you happen to step on the toes of fanatically determined cultists, the consequences could be unthinkable…In order to prevent another tragedy, Fujimaru desperately attempts to decrypt the final part of the Shikimura file, which may contain clues to an anti-viral. Before he can complete it, however, Maya asks to strike a plea-bargain: amnesty in exchange for the location of their hideout. But on their way, Fujimaru realises his fatal mistake. One of the THIRD-i agents in the car with them could easily be the spy! Should it come down to a confrontation, can he stand up to Maya’s cunning psychological games? less

OUTWIT - AND OUTLAST Fujimaru's attempt to capture the traitorous THIRD-i member Hosho resulted in the capture of his sister and best friend. With his loved ones held hostage, Fuimaru has no choice but to answer the demands of Hosho - and her terrorist partner Maya - in exchange for their freedom! This volume of Bloody Monday includes special extras after the story!

BETRAYED AND OVERWHELMED   Outwitted at the last minute by the mysterious terrorist leader “J” and his associates, teen super-hacker Fujimaru is stuck with an insurmountable challenge: defend the “Christmas Assassination” chip from terrorists seeking to reclaim it – while preventing the spread of the deadly “BLOODY-X” virus! How can Fujimaru win in this volume of Bloody Monday?

A DEADLY VIRUS UNLEASHED!In a vile attempt to collect their original computer data, J and his fellow terrorists have unleashed the BLOODY-X virus in the basement of Third-i. Fujimaru now finds himself trapped in a dangerous situation that will only get worse when he learns one of his allies has betrayed him!Includes special extras after the story!

TERRORISTS HERE, THERE, EVERYWHERE!In this volume of Bloody Monday, Otoya and Aoi come to the rescue at Kishiro Gakuin High School! Just when danger seems temporarily at bay, another enemy appears for Otoya and his friends. Meanwhile, Fujimaru arrives at the school, but is kiddnapped by the terrorists! What will happen to our heroes?Includes special extras after the story!

AGAINST THE ODDS!   Terrorists trying to recapture the founder attack the detention center with a virus! Fujimaru and the others need to obtain the cure from the terrorists, so they head to “Third-i” headquarters. In a race against time, Fujimaru faces “J” one-on-one yet again. How will the outbreak end, and what is the true meaning of “Bloody Monday”?

EVERY KILL BEGINS WITH "K" In the incident at the purification plant, religion founder Shimon Kamijima died, and J went missing. It seems as if the threat of terrorism is over. But a new leader named K, unknown to THIRD-I, was planning another terrorist attack underground. Can Fujimaru uncover the identity of the terrifying K and the true meaning of "Bloody Monday"?

FALCON'S FINAL FLIGHTThe terrorist leader K has eluded capture, and Fujimaru and THIRD-i have five days to prevent armageddon by neutron bomb, but Falcon is about to find out that his greatest admirer is also his most formidable enemy. This is the day the cult has been waiting for! In this final volume, Bloody Monday arrives at last!FINAL VOLUME!