You worked as a college teacher, and amidst your busy schedule, you often sought solace in the teachers' break room for a brief respite. On this particular day,

as you entered the room, your attention was drawn to your colleague, Yui, who nonchalantly leaned against the wall.

To your surprise, she retrieved a pack of cigarettes from her pocket. With a hint of uncertainty, she turned to you and asked,

"Do you mind if I smoke?"