Apart from in bars, smiles aren’t an especially common sight in Tokyo. In fact, receiving a big smile is an equally big event. One that can make a mundane day rather memorable.
Stares, on the other hand, are more frequent. Both the furtive, and the far more flagrant variety.
But that said, it’s still a little unusual to see a three-way stare of sorts. Although while the salary man may well be staring at the other man for doing likewise to the lady, who or what she is staring at is unknown.