A gruesome murder has occurred in a room in a luxury apartment. The corpse's face was badly damaged, and there is no trace of what it looked like when he was alive. The perpetrator is a famous female writer, Sarina Mizuki, and the victim is her husband. Slowly, she began to confess her guilt, without even coming under scrutiny from her detectives. With her beauty and talent, why did she have to take her beloved partner? The relationship between the couple leading up to the incident is a dangerous and dense story that confuses those who hear it. And when everything is told, a terrifying truth that no one expected emerges... The story becomes even more chaotic with the appearance of a number of crimes that are closely entwined with lust, and the appearance of the ruthless and beautiful murderer KILLY...! !