In the setting of twins, the yandere and antisocial male protagonist Yan Muze and the white and black female protagonist Ye Xichi have a dark undercurrent since they met in childhood. Eight-year-old Yan Muze gave gifts with paranoid possessiveness, but was rejected by Ye Xichi. From then on, he regarded her as an "exclusive treasure" that he must obtain, and a dangerous and fatal bond began.