[DeepL Translation - needs review] Introduction to Volume 1: Tomoji Kamome is a freelance writer who lost his beloved daughter in an accident.
In despair, his wife leaves him, and he spends his days like a shell of a man.
One day, however, a flyer from a strange religious group, the "Heart Laughing Society," changes his fate.
It shows the image of his wife, whom he has lost touch with...
This is a story of faith and madness.
What is the black darkness of the cult that an evil smile invites?
...
