After leaving the toilet, Song Qingchun went to purchase something at the nearby 7-Eleven before returning to the game room.
Su Zhinian was already gone. Two other players had replaced them at the table. Song Qingchun placed the thing she had bought on the corner of the mah-jongg table and told Tang Nuo and the Student Council President apologetically, "I have to run; I will definitely buy you a meal next time. Today, I will treat you to something else to tide you over."
…
It was snowing lightly when she left the restaurant. Song Qingchun had taken the subway to travel to the restaurant. The night was cold, so she wrapped her coat tighter around her as she walked to the subway station on the west side of the restaurant.