This version of Satoru-kun appears as a prophet coming from the other end of the phone. He is not merely an anomaly of pure malice. He has a clear function: answering the caller's question. That is precisely why he is dangerous. If it were only terror, people could avoid it, but thinking they might get an answer draws them to the dangerous steps. Satoru-kun sees through that curiosity.

The medium of the telephone allows only the voice to arrive first. An entity with no face or body announces its location right in your ear. When that distance shortens to "I'm at the station now," "I'm in front of your house now," "I'm right behind you now," the phone changes from a communication device to a summoning path. Like the cluster of telephone urban legends collected by Hiroshi Matsuyama, Satoru-kun's terror is born the moment remoteness reverses into proximity[1].

A comparison with Kokkuri-san illuminates this anomaly's personality well. Because Kokkuri-san involves multiple people surrounding the paper, responsibility is dispersed among the group. Because Satoru-kun requires calling alone, responsibility returns entirely to the individual. There is no escape route of "Didn't someone else move the coin?" Call histories, ringtones, and your own voice become the only evidence. The feeling of wanting to know becomes the very signature for the summoning.

The endpoint of standing behind the caller is also important. Because he is behind rather than in front, the desire to confirm is born. But the moment you confirm, you break the taboo. This is an old ghost story structure: the other world is exposed when prohibitions like "do not look," "do not open," or "do not turn around" are broken. Despite being a telephone ghost story, Satoru-kun is an entity that has transferred the "must not look" archetype—shared by the Crane Wife, Urashima, and Yomotsu Hirasaka—to modern devices.

Following Itsuki Asazato's categorization of modern anomalies, Satoru-kun is strong as a "ghost story with a method"[2]. Rather than just listening to a scary story, the steps are written out. When there are steps, people are forced to choose whether to try it or not. That choice is already a participation in the story. Even readers who do not execute it will mentally lift the receiver of a public phone, press the numbers, and hear the ringtone.

Because public payphones themselves have decreased in modern times, Satoru-kun may look like an antiquated ritual. But the decrease does not weaken the anomaly; it concentrates it. The phone booth left in the corner of the station, the green phone in the hospital corridor, the fogged glass on a rainy day. Unused communication devices look like ritual tools left solely to connect this side and the other side. Satoru-kun stands in the place where a tool that has lost its convenience regains a magical nature.

The final remaining question is what to do after getting the answer. Satoru-kun answers the question, but he will not necessarily save your life. Far from erasing anxiety, knowledge confirms the fact that something is behind you. This anomaly shows the paradox often found in divination ghost stories—the moment when the wish "knowing brings peace of mind" flips to "I can't escape because I know"—through the distance of a single phone call. Therefore, he is a prophet, and simultaneously a punishment for knowledge.