Based on the long running manga of the same name by Sadao Shouji.

Kintarō Yajima is a former leader of a motorcyle group and also a former tuna fisherman. He lived a wild and reckless life during his days as the leader of the motorcycle group. He now jumps to the corporate world and begins work as a salaryman.

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Shinjo is a new employee at NEO Beer, which is currently ranked fifth in the industry. When NEO’s president demands that they figure out a way to capture the top market share, Sales division chief Nakanishi and his team are struggling to come up with ideas when Shinjo suggests “sexy” as a possible marketing buzzword.

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Optimistic student Hideyoshi struggles to land a job at Japan Motors, facing setbacks and rivalry but winning his way in through persistence—and a mix of charm, luck, and chaos in both work and love.

A beer salesman with a passion for fishmongering stumbles through mishaps, rivalries, and gangster trouble while chasing a big contract, winning the deal through quick thinking—then turns down a promotion to keep working his own way.

A clumsy but determined car salesman, Hideyoshi, faces rivalry, romance troubles, and job setbacks, but through persistence and humor, he wins a big deal and earns a long-awaited promotion.

After a transfer to a rural factory, salesman Hideyoshi faces blunders, schemers, and rivalries but proves his integrity, winning respect and a return to headquarters.

Company employee Sawamura Gintaro (Yamaguchi Yoshiyuki) accidentally upsets a pachinko-loving client. With a crucial business contract on the line, he desperately learns various "occult" pachinko strategies and takes on a high-stakes challenge.