The Internet is fraught with many secrets and mysteries, and those who find these secrets may be in great danger.
Max Stirner and Satoshi Nakamoto at first glance looks like an ordinary teenager and a freshmen in Japanese university. However, they spend all their time surfing the Internet, looking for mysterious websites. They have deep knowledge of encryption, coding and hacking.
On Valentine's Day, Max receives a mysterious encrypted letter that leads the characters to the place where the big mystery begins.
They will have to solve many puzzles, find the sender of the letter and answer the question "is freedom on the Internet worth breaking the law?"