A perverted Tanuki & Kappa.
Also, page 14 does have a little basis in sociology/psychology; humans adolescents play pretend in the roles designated for them while growing up, just like how I played garbage, and now I'm garbage.
edit; forgot to mention how strict the gun laws are in Japan.
Guy got arrested for making/owning a toy coil-gun he made 10 years ago, which could only puncture cardboard in his test