An alternate ending to *Steins;Gate* that leads with the eccentric mad scientist Okabe, struggling to recover from a failed attempt at rescuing Kurisu. He decides to give up and abandons his lively scientist alter ego, in pursuit to forget the past. When all seems to be normal, he is seemingly pulled back into the past by meeting an acquaintance of Kurisu, who tells him that they have begun testing a device that stores the memory of a human and creates a simulation of them with their characteristics and personalities. Okabe begins testing and finds out that the simulation of Kurisu has brought back anguish and some new unexpected tragedies... *Includes chapter 0.*

A prequel to Chaos;Child that details the life of Kunosato Mio before she got caught up in the events of the Return of the New Generation Madness. It starts from her childhood, and eventually leads to the point that she comes under Makise Kurisu's tutelage.

Written by Umehara Eiji, main author of Chaos;Child, Children's Revive continues the story after Silent Sky's events.