MementoMori Wiki

MementoMori (メメントモリ Memento Mori) in a RPG for iOS, Android and PC, developed by Bank of Innovation. The game released on October 18th, 2022.[1].

The official abbreviation is Mememori (メメモリ).


There are girls who many call “witches.” Although they themselves are ordinary, they can wield slightly extraordinary powers. However, when calamity spreads throughout the land, witches begin to be feared and detested. Before long, the Church of Longinus commenced what would be known as “The Witch Hunt.”

“Witches are to blame for this calamity. If we kill them, then the calamity will vanish along with them!”

Witches are executed one by one.But one day, as madness seizes control of the world, it is suddenly overrun by “Curses.” A country incinerated by hellfire. A kingdom consumed by crystals. An empire purged by the Tree of Life. Such are the woeful desires of those who are called “Witches of Qlipha.” Without any means to defend themselves, nation after nation falls into ruin, until finally— The fractured land is sent adrift high into the sky.

Meanwhile, the people have yet to take notice. From within these girls cursed to be witches, there emanates glimmers of hope. In order to save their decimated world, these girls set forth liberating the land from darkness. For they believe that it is the right thing to do...


The game was announced on August 20, 2021. Pre-registration opened for Japanese players at the same time[2].

On January 11, 2022, the game reached 100,000 pre-registrations[3]. A few days later, on the 14th, pre-registrations opened for non-Japanese players as well[4].

On February 4, 2022, the game reached 150,000 pre-registrations, granting players 1,500 diamonds and SR 【The Witch of Mourning Flowers】Natasha[5]. The game reached 200,000 pre-registrations on March 2nd[6]

On April 6, 2022, it was announced the game will be available on PC too. The PC version will be published by DMM Games[7].

On June 29th 2022, the game reached 500,000 pre-registrations, its final pre-registration goal.

The game was originally scheduled to be released September 2022, but was delayed to October 18th.

On October 25, 2023, Lament Collection Volume 1, an audio recording of the Laments released so far, was released.


The game is an AFKRPG. The game will be free to play with in-app purchases available.


External Links[]