Nao Kanzaki, a student, was blackmailed into joining a "Liar Game" and ended up losing 100 million yen. In order to repay the debt, she enlists the help of Shin'ichi Akiyama, a genius swindler who was only recently released from jail for bankrupting one of Japan's largest scam companies.

With graduation 10 days away, homeroom teacher Hiiragi gathered all 29 students of class 3-A and proclaims them his hostages. His last lesson regards the death of a student that passed away a few months before. Nobody will be able to graduate until the truth is known.

Kokoro Kurosawa used to be a contender for the Olympic Judo Team, but she had to give up on her dream due to an injury. In the end, she ends up working at weekly manga magazine "Vibes." The publishing industry is going through a turbulent time due to ebooks. Members of the editorial department struggle to come up with ways to sell more manga books. She learns about editing from her senior editors and becomes fascinated with the edition world, interacting with manga writers, and discovering new manga artists. But what surprises her the most is that in a competitive world such as manga publishing, not all dreams come true, and even when they do, they come with a price...

Higashiyama Yui works as a director at Net Heroes, a web production company. Due to her workaholic father and bad experiences in the past, she loathes working overtime. Even 2 years ago, she broke off her engagement to Taneda Kotaro because he was a workaholic. At her job, Higashiyama Yui always leaves at the end of the regular working day and never works overtime. She tries to be as efficient as possible and productive during her normal working hours. After she leaves her office, Higashiyama Yui normally drinks beer at her regular Chinese restaurant. Her peaceful days begin to change after a new department head arrives at work.

The story chronicles upon the past of Gai Kurenai and Jugglus Juggler, the original series' main protagonist and antagonist, who were once heroes fighting on the side of light, facing Dr. Psychi and his army of Bezelbs.