LogFAQs > #978895563

The snail story is as follows:

A woman (Eric's mom) saw a snail on her daily run, and ended up taking a different path because of it. Mira was waiting on this path and killed her. Akane's father was arrested as the culprit and sentenced to the death penalty, and Akane's mother committed suicide due to grief. This caused the events of 999 and the rest of the trilogy to happen.

Akane's father at the time had called a taxi, but did not take it due to the arrest. Instead, the taxi driver picked up a surgeon heading to the hospital, and got into an accident killing both of them. The surgeon was to operate on a young boy named Sean, who the robot is based off of. Since the surgery never happened, Sean died instead.