Ootsuki, the foreman of the underground debt-slave labor camp, is finally using his one-day vacation above ground. The blacksuits of the Teiai Corporation follow him to make sure he doesn't escape, but are constantly baffled by the completely mundane ways he decides to use his time.

Teiai Group is one of Japan's largest firms. Yukio Tonegawa, a man with a larger-than-life presence and sharp intellect, works as the right-hand man of Chairman Kazutaka Hyodo. One day, the chairman commands Tonegawa to spearhead "Game of Death," an evil project that employs debtors. He rallies his direct reports and scrambles to form Team Tonegawa, only to encounter a barrage of challenges from the erratic chairman and his disloyal employees, ultimately leading to his demotion. Team Tonegawa is bombarded with an onslaught of wide-ranging problems! "Mr. Tonegawa - Middle Management Blues -" is a spinoff of "Kaiji," the hit manga series that boasts a total circulation of over 20 million printed copies. (Source: Nippon TV) *Includes 9 bonus chapters.*

Ichijou Seiya is a young prodigy who is the manager of the Teiai underground casino and the creator of the diabolical pachinko machine "The Bog." Before his fight to the death with his nemesis, Itou Kaiji, he had a youthful period when he was still smoldering and unable to make anything of himself. The story is set in Ooyama, Itabashi, Tokyo, a "bog" that has swallowed up the dreams, hopes, and despairs of young people, and is about the ambitions and difficulties of freelancer Ichijou and his younger colleague Murakami who move into the capital and live in a tiny apartment.

Kantarou Ametani is a good looking single guy with glasses who works at a publish company, Kicchou company, as a salesman. People around him put their trust in him because He completes his jobs quickly and efficiently. But he has a secret he's been hiding at all cost...