The Skull Man: Prologue of Darkness

Yukimasa Yugami is a detective who chases after facts in cases. He will resort to illegal investigations and he uses his unique reasoning powers. His partner is rookie detective Torao Hanyu.

Friends grow apart after a tragic accident claims one of their number. Years later, the dead girl appears to them to ask for their help in crossing over to the afterlife.

Devoted to becoming an international lawyer, Ayukawa Wakaba is full of ambition. Her hard work pays off when she lands a job at an international law firm, but to her disappointment, the first prestigious assignment that is given to her is to babysit the boss' 5 year old daughter, Hinata. Wakaba loathes kids and nursing, but unwillingly takes on the job as she is fixated on wealth and success. One day when she goes to a preschool to pick up Hinata, she meets a man named Yamada Sota. Sota is a man without higher education, wealth, or a future goal, someone that Wakaba absolutely cannot stand, the complete opposite of her ideals. Once again, contrary to her will, she ends up looking after Hinata and a few other kids along with Sota. Despite being exhausted from all the first-time experiences in child care, Wakaba begins to realize what is truly important to her.

Saburo is a high school student good in sports, but not very good with his studies. One day, Saburo travels back in time and arrives in the Sengoku period of 1549. There, Saburo meets Nobunaga Oda who looks and sounds just like Saburo. Nobunaga Oda is the son of a warlord and magistrate of the lower Owari Province. Nobunaga Oda, though, is physically weak, and he asks Saburo to take his place. Then, Saburo as Nobunaga Oda attempts to unify the country of Japan.

Life is simple for Sasamoto Sawa, a young housewife, but when the adulteress Takigawa Rikako moves into her neighborhood, so too does a new world of sophistication and sex. After Takigawa is nearly caught in the act, Sasamoto covers for her during the ensuing aftermath, unwittingly involving herself with a handsome teacher named Kitano Yuichi — and discovering her own desires for extramarital passions.

Chinami works at a fabric shop, dreaming of one day working in the fashion industry. By accident, she begins work in the editing section for a fashion magazine. Chinami believes her new job may open doors for her to new opportunities, but it turns out her new job is like working in a war zone with daily fights and competitiveness between the women who work there. Can Chinami survive in such a cutthroat environment?

Kazuya Takajo was a promising soccer player. At the age of 23, he was selected for the national A football team and he bought a house to live with his fiancé Miki Nakagawa. One day, Kazuya Takajo gets into a car accident and becomes paralyzed and falls into deep despair. Kazuya goes through rehab on the strength of his wife's love. Yet, he becomes frustrated by those opposed to his marriage with Miki and others who give him pity looks. He also can't find anything to replace soccer in his life. Kazuya then witnesses a wheelchair basketball game at a gym.

Shinkai Genichi, a 42-year-old man who used to enjoy success as a budding scientist during his school days but gets too caught up with his past and keeps chasing his dream unsuccessfully for the past 18 years. As a result, his wife walks out of him, he loses his apartment due to unpaid rent and struggles to make a living while supporting his only son Kouta who is 5 years old.