Okatani Wataru, who was an ace reporter in the social affairs department of a major newspaper company, witnesses his wife having an affair and decides to get a divorce. Although he makes steady preparations to gain custody of his daughter, a talented lawyer he consults with tells him that his chance of winning is only 10%. Instead of going ahead with the divorce right away, he works hard with his partner, a detective, to gather evidence of his wife’s affair in order to earn the right to be the rightful caretaker of his daughter.
Akira is a 30-year-old salaryman married to novelist Sonoko. After five years of marriage things between them have cooled and now they barely speak. One evening Akira is suddenly struck with an unbearable headache and, after being taken to the hospital, is told his illness is life-threatening. At the same time, a strange change starts to take over Akira’s body. The Akira who walks out of the operating theater has transformed into a woman!
Tobita Tasuku's father, Jinpei left a letter and disappeared on the day of Tasuku's high school graduation. Due to his father's disappearance, Tasuku is now left with his father's huge debt while he is still unemployed. Tasuku decides to visit the Joker Detective Agency to find his father but the cost of investigation is too high. Tasuku later finds out that the tuition fees for attending the detective school is much cheaper than the cost of investigation. Seeing that he can get a job in a detective agency and find his father, Tasuku decides to enroll into the Joker Detective School and be a full-fledged detective.
Mariko Shinoda is a Japanese singer, actress, fashion model, and former member of the Japanese idol group AKB48, in which she was the captain of Team A.