Satoshi Tachibana is a hapless employee of a midlevel advertising agency.H e is divorced and behind on his child-support payments. What's more, he's constantly bullied by his supervisor, who is younger than him and makes him clean up the supervisor's messes.

Satoshi is also a bit of a pachinko addict and likes to waste money at cabaret clubs. Then one day he buys a Loto 6 lottery ticket and his life is changed dramatically, but not in ways you might expect. The series is based on a true story.