Two sisters are engaged in a fierce battle for dominance over happiness; Keiko, a beautiful but ordinary housewife who desires a simple happy life and her younger sister Shiho, who finds the greatest pleasure from seeing Keiko unhappy. The story begins when Keiko begins to suspect her husband of infidelity due to his behavior and actions. Her best friend Yuka's cryptic warning that "The first year of marriage is dangerous" only fuels her doubts. One day, Keiko casually looks at her husband's phone and discovers a message from Yuka. Furthermore, Shiho witnesses a secret meeting between Shinichi and Yuka! Is Yuka the "other woman?!" Shocked by her friend's betrayal, Keiko starts to feel increasingly lonely. However, it turns out the true mastermind is someone else entirely - her sister Shiho had been cheating repeatedly with her husband. With Keiko finding happiness, Shiho's ugly plan to plunge her sister into the depths of despair has begun. It becomes increasingly evident that Keiko's true enemy is her younger sister. What will become of this twisted drama of a messy affair between sisters?

Two sisters are engaged in a fierce battle for dominance over happiness; Keiko, a beautiful but ordinary housewife who desires a simple happy life and her younger sister Shiho, who finds the greatest pleasure from seeing Keiko unhappy. The story begins when Keiko begins to suspect her husband of infidelity due to his behavior and actions. Her best friend Yuka's cryptic warning that "The first year of marriage is dangerous" only fuels her doubts. One day, Keiko casually looks at her husband's phone and discovers a message from Yuka. Furthermore, Shiho witnesses a secret meeting between Shinichi and Yuka! Is Yuka the "other woman?!" Shocked by her friend's betrayal, Keiko starts to feel increasingly lonely. However, it turns out the true mastermind is someone else entirely - her sister Shiho had been cheating repeatedly with her husband. With Keiko finding happiness, Shiho's ugly plan to plunge her sister into the depths of despair has begun. It becomes increasingly evident that Keiko's true enemy is her younger sister. What will become of this twisted drama of a messy affair between sisters?

Two sisters are engaged in a fierce battle for dominance over happiness; Keiko, a beautiful but ordinary housewife who desires a simple happy life and her younger sister Shiho, who finds the greatest pleasure from seeing Keiko unhappy. The story begins when Keiko begins to suspect her husband of infidelity due to his behavior and actions. Her best friend Yuka's cryptic warning that "The first year of marriage is dangerous" only fuels her doubts. One day, Keiko casually looks at her husband's phone and discovers a message from Yuka. Furthermore, Shiho witnesses a secret meeting between Shinichi and Yuka! Is Yuka the "other woman?!" Shocked by her friend's betrayal, Keiko starts to feel increasingly lonely. However, it turns out the true mastermind is someone else entirely - her sister Shiho had been cheating repeatedly with her husband. With Keiko finding happiness, Shiho's ugly plan to plunge her sister into the depths of despair has begun. It becomes increasingly evident that Keiko's true enemy is her younger sister. What will become of this twisted drama of a messy affair between sisters?

Two sisters are engaged in a fierce battle for dominance over happiness; Keiko, a beautiful but ordinary housewife who desires a simple happy life and her younger sister Shiho, who finds the greatest pleasure from seeing Keiko unhappy. The story begins when Keiko begins to suspect her husband of infidelity due to his behavior and actions. Her best friend Yuka's cryptic warning that "The first year of marriage is dangerous" only fuels her doubts. One day, Keiko casually looks at her husband's phone and discovers a message from Yuka. Furthermore, Shiho witnesses a secret meeting between Shinichi and Yuka! Is Yuka the "other woman?!" Shocked by her friend's betrayal, Keiko starts to feel increasingly lonely. However, it turns out the true mastermind is someone else entirely - her sister Shiho had been cheating repeatedly with her husband. With Keiko finding happiness, Shiho's ugly plan to plunge her sister into the depths of despair has begun. It becomes increasingly evident that Keiko's true enemy is her younger sister. What will become of this twisted drama of a messy affair between sisters?

Togo Jun and Mishima Ran, estranged sisters who had a falling out over a man, are reunited following their mother's death. The man, Ritsu, was Jun's boyfriend and is now the husband of Ran. The three have wound up living together under one roof.

Togo Jun and Mishima Ran, estranged sisters who had a falling out over a man, are reunited following their mother's death. The man, Ritsu, was Jun's boyfriend and is now the husband of Ran. The three have wound up living together under one roof.

Togo Jun and Mishima Ran, estranged sisters who had a falling out over a man, are reunited following their mother's death. The man, Ritsu, was Jun's boyfriend and is now the husband of Ran. The three have wound up living together under one roof.

Togo Jun and Mishima Ran, estranged sisters who had a falling out over a man, are reunited following their mother's death. The man, Ritsu, was Jun's boyfriend and is now the husband of Ran. The three have wound up living together under one roof.

Togo Jun and Mishima Ran, estranged sisters who had a falling out over a man, are reunited following their mother's death. The man, Ritsu, was Jun's boyfriend and is now the husband of Ran. The three have wound up living together under one roof.

"I want to be loved, as a person, and as a woman." Nakamichi Misaki is a teacher who has been married for 5 years to her attractive husband. She appears to have a life that many would be envious of. However, the truth is that she has been concerned about her marriage due to the lack of intimacy. Her husband only sleeps with her once a year, on the day of their wedding anniversary. As she continues to question her husband's sexual desire for her, their next anniversary arrives... and she receives a shocking confession from him!

"I want to be loved, as a person, and as a woman." Nakamichi Misaki is a teacher who has been married for 5 years to her attractive husband. She appears to have a life that many would be envious of. However, the truth is that she has been concerned about her marriage due to the lack of intimacy. Her husband only sleeps with her once a year, on the day of their wedding anniversary. As she continues to question her husband's sexual desire for her, their next anniversary arrives... and she receives a shocking confession from him!

"I want to be loved, as a person, and as a woman." Nakamichi Misaki is a teacher who has been married for 5 years to her attractive husband. She appears to have a life that many would be envious of. However, the truth is that she has been concerned about her marriage due to the lack of intimacy. Her husband only sleeps with her once a year, on the day of their wedding anniversary. As she continues to question her husband's sexual desire for her, their next anniversary arrives... and she receives a shocking confession from him!