@Hollow7F My bet is that it's actually the PE teacher, since she just said she went bowling a lot. The dude seems that arrogant that he wouldn't even know the girl's full name. I mean really "Bowling is for delinquents" Is like saying "Only delinquents play basketball" nowadays.
Also I did not expect actually getting invested in the story when I started reading this. But I have been since last chapter.