27-year-old Fukazawa Misaki and 29-year-old Hazuki are sisters who are polar opposites in both lifestyle and personality. Although they would hurt each other's feelings, they would also make up for each other’s deficiencies. The beautiful Misaki is the typical younger sister who is good at putting on the little girl act. She did not fare well academically but knows how to swim with the tide. After graduating from high school, she left home and went missing. But one day, she suddenly moves into Hazuki's apartment and behaves with wild abandon. However, Misaki has a secret which she keeps to herself. Hazuki works at a ward office and has set her sights on an early marriage to her boyfriend who works in the same office. She is the well-organised, fastidious chairperson type, but is a wee bit socially awkward. Hazuki feels that Misaki snatched all their mother's love in childhood. Hazuki actually has a secret which she cannot tell Misaki too. As these two sisters clash while living under the same roof, their values start to change little by little.
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?
This drama is about the lives of Tae Hee and Yun Hee, two sisters whose mother died while giving birth to Yun Hee. Their father, who loves them dearly, married their mother without their paternal grandfather's consent, and deprived of any familial support, the sisters and their father struggle to make ends meet even as their father faces a life-threatening illness. This drama follows Tae Hee and Yun Hee into adulthood as, separated by a cruel twist of fate, the girls come to lead very different lives, oblivious of one another.
Rika is a high school senior with no self esteem. She thinks she is an iguana. Why? Her mother claims that whenever she sees Rika she sees an iguana instead of a real human. Because of this, Rika has never received or was shown any love by her mother. Rika's younger sister, Mami, has been getting all of the love and attention by the mother. Rika likes Noboru a lot but can't tell him her feelings. Kaori is jealous of Rika and refuses to let Noboru go out with her. Nobuko is Rika's friend and is always encouraging her. Will Rika end up with Noboru? Will he turn her away if he finds out she is an iguana?
