An assortment of geeky 20-something males and the odd suited salaryman faithfully mirror the girls' dance-routine, punching the air with glow-sticks when the refrain comes through.
One of the few bright spots is the relative affluence of the 20-something salaryman, who now holds around 15, 000 yen more pocket money per month than his struggling middle-aged colleague.
But a mid-40s salaryman who bought a new mini-car despite his fears about job security described the purchase as "pressure release" for the frustrations building up in his family rather than any sign of renewed confidence.
Or there may be something in the Japanese caricature of the salaryman husband working long hours and socialising all night and at weekends, while his neglected, fretful wife struggles to bring up the children at home.