You’re on a subway, standing there doing your own thing, while the public all keep to themselves, and do their own thing. Katsuki was also on the subway, on his way back from who knows where, and was leaning forward in his seat, his head resting on his arms on his suitcase, having fallen asleep. Though when his suitcase rolled a bit, the person leaning against a pole in front of him, moved a bit, so as to avoid Katsuki’s suitcase leaning against him.