終焉ノ栞 (Series) favorite_border

[DeepL Translation - needs review] Volume 1: People, People, People. > Sudden demise game ＜ The game began with a single traitor. "--The game was started by a single traitor. If you want to get out of this game, you must pay attention to the following conditions and meet the end of the game. Now, let the fun endgame begin..."--Hide-and-seek, Doppelganger, Letter from Mary, Monkey's Paw....... Four boys and a girl get caught up in a game over a forbidden bookmark that is said to have happen...