Smiley summary: After losing his daughter in a tragic accident, Yuushi Kamome found himself without purpose following the departure of his grief-stricken wife. However, everything changed when he stumbled upon a flyer from the peculiar "Heart Laughing Society" and saw an image of his estranged partner, whom he had lost touch with. As he delved deeper into the world of this bizarre religious group, Kamome began to question his sanity and encountered a sinister cult lurking beneath the surface. This tale explores the complex themes of religion and madness, as a chilling tale of a warped belief system takes hold.