"I'm well acquainted with people wanting to harass me." He could defend himself better than one would think and if that failed, he had mace. He wasn't sure on the legality of that but he carried it around to make his parents happy.

"Also, the quicker I get to the know the city, the less frustrating it will be to get around. Besides, I have a timer on my phone." He patted a pocket in his jacket. "Once it goes off, I'll just go back the way I came and wait for a bus."

Really, Heiji, were you implying he couldn't take care of himself?