Certainly the first of those two, I assure you! Spirits are everywhere. In fact, they're not all malicious so it's completely normal to not see them. They often only start to effect normal people when they begin to turn their energy into harming or inconveniencing the living.

[ Boy, Reigen, you talk a lot. But oh, you can practically feel the excitement when she asks him to teach her. Wow, are you a natural-born teacher, Reigen? ]

Of course, I would be happy to teach you! It's not every day that I take on students, but my pupil from home seems to have stayed at home for this particular adventure so it's your lucky day! My classes don't normally come cheap, but I can make an exception for you if you'd like to make it more of an internship-like position.