Yasuko hanaoka accidentally kills her ex-husband, when circumstances rose to an unendurable level of ghastly behaviour from him. What follows is an elongated and witty brain-game between the investigator and her accomplice, ishigami, who aided yasuko in covering up the murder. The devotion of suspect x is the story about an ingenious plotter, and clever dr manabu yukawa, who helps in solving the case. Yasuko hanaoka works in a restaurant. She is divorced, and is a single mother to misato. Her ex-husband, togashi, was an abusive man, stalking and extorting money from her. With similar intentions, he showed up at yasuko’s home, this time threatening to kill her and her daughter if she refused to lend him money. What started from denial, reached to a heated argument, and within a short span of time, turned to a nasty fight. In the spur of the moment, yasuko killed togashi. Hearing the commotion in their apartment, tetsuya ishigami came into the picture. Ishigami was a middle-aged, singl