He spots her walking by and grins, blowing out a puff of cigarette smoke. He tosses the cigarette on the ground and crushes it out, then pops a Baby into his mouth to cover the smell before approaching her.

すみません、学生さんですか？ [Excuse me, are you a student?]

When she gives him a confused look, he goes "ah" and chuckles. He thoughtfully scratches his chin before greeting her again in English.

Are you a student at this school?