He tells her his name is Shinichi. The camera then zooms in on his hand before the episode cuts to the credits. If you read the Parasyte manga, you'd already know who this character is.

Parasyte centres around a 17-year-old boy named Shinichi Izumi, who lives in Fukuyama, Hiroshima, Japan. One night, Parasites arrive on Earth, taking over his brains through their ears or noses.

High school student Izumi Shinichi has a parasite living off him, having replaced his right hand, and he might be the discoverer of truth.

High school student Izumi Shinichi has a parasite living off him, having replaced his right hand, and he might be the discoverer of truth.