Pastel Memories

is a Japanese RPG developed by FuRyu. It was released in Japan on October 23, 2017 for Android and iOS devices. An anime adaptation by Project No.9 premiered on January 8, 2019.

Plot
In the year 20XX, manga and anime culture has been gradually disappearing from Akihabara. This is the result of a mysterious malicious virus that infects the world of various fictional works and destroys them, along with anyone's memories of them. Standing against this are the members of the Rabbit Shed Shop café, who possess the ability to travel into the worlds of each series in order to stop the virus.

Official

 * (in Japanese)
 * (in Japanese)