During his best friend's funeral, Bai Yan's uncontrollable laughter becomes a life-threatening mistake. His amusement transforms into rage and anguish as punishment shadows him that fateful night. An unknown application suddenly appears on his phone, thrusting him into a reincarnation cycle of unending horror. Grotesque descriptions and mysterious progressions flood his consciousness relentlessly. The protagonist conceals terrifying secrets that defy comprehension. Enter this nightmare only if you dare.