After moving into the quiet town of Hinamizawa, Maebara Keiichi spends his days blissfully in school often playing games with his local friends. However, appearances can be deceiving. One fateful day, Keiichi stumbles upon news of a murder that had occurred in Hinamizawa. From this point on, horrific events unfold in front of Keiichi, as he soon learns his close friends may not be all that they seem.

The dark untold story of 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.

Zero is a side story that explores events from the Beta Attractor Field's future that contribute in making the end of the original story possible.

A group of friends have customized their microwave so that it can send text messages to the past. As they perform different experiments, an organization named SERN who has been doing their own research on time travel tracks them down and now the characters have to find a way to avoid being captured by them.

Kaoru is an office lady you can find anywhere, serious and works diligently, but her husband is a super otaku and more-or-less a NEET. She is caught up in one of her husband's whims one day or the subject of his concerns another, but the two are so close that it's embarrassing to even watch them!