

Yoshino Michi is 32 years old. She's been married for five years, but hasn't had sex for the last two. It's not as if she doesn't get along with her husband, it's just that the sex part is lacking. It was a bit unexpected, but one night when she when drinking with her colleague, Niina Makoto, she wound up confessing that her marriage had turned sexless. And then, a shocked Niina responded "My marriage is sexless, too," and smiled with a lonely look in his eyes.


Masataka works as a freelance writer. He has been married to Yukie for the past 7 years. Yukie works as a school teacher. Masataka and Yuki are not in love with each other. They just haven't gotten divorced. Meanwhile, Masataka is having an affair with a young woman who delivers newspapers. This leads to a shocking situation.

Narita Misao is a rookie employee at a company. She doesn’t like Ichikawa Kazuya, who works in the same department. He is brutally honest when he talks to other people. Nevertheless, an incident leads to Narita Misao developing feelings for him. Ichikawa Kazuya also becomes attracted to her. The couple soon enter into an intimate relationship, but Narita Misao learns afterwards that Ichikawa Kazuya is engaged to his girlfriend. Narita Misao is confused by the situation and wonders what he is thinking.

Shoji Taishi is a new third-generation lawmaker who comes from a family of politicians and had a sheltered upbringing. The womanising and not particularly intelligent Taishi and his actress wife, Kurosawa Yui, who got her big break through a drama series, have been married for five years. They act like a happily married couple for the sake of their work and public image, but their marriage has already broken down. Taishi and Yui barely have a conversation except when live streaming on social media and do not even see each other at home. Although they have grown disenchanted in their marriage, they cannot get divorced immediately due to pressure from their families and endorsement deals. The couple have no choice but to unite with the unshakeable goal of breaking up.

Narita Misao is a rookie employee at a company. She doesn’t like Ichikawa Kazuya, who works in the same department. He is brutally honest when he talks to other people. Nevertheless, an incident leads to Narita Misao developing feelings for him. Ichikawa Kazuya also becomes attracted to her. The couple soon enter into an intimate relationship, but Narita Misao learns afterwards that Ichikawa Kazuya is engaged to his girlfriend. Narita Misao is confused by the situation and wonders what he is thinking.



When Shiho Nishina got worried about her sex life with her husband, her husband proposed to her, "Why don't we go to a couple exchange party?" At first Shiho strongly turned down the idea, but eventually, she gave in because her husband was very persuasive. "We're just going to observe, okay?" Shiho said as she reluctantly agreed to it. Meanwhile, a former diplomat Mr. Kubozuka ran a couple exchange club, "Aquarium," with his wife in their house. At first, Shiho was being very cautious, but gradually, she got attracted to Mr. and Mrs. Kubozuka's charm and finally agreed to exchange couples with them. It seemed that their sex problem had disappeard and they had found happiness, but as it turned out, that was just the beginning of their nightmare...


Masataka works as a freelance writer. He has been married to Yukie for the past 7 years. Yukie works as a school teacher. Masataka and Yuki are not in love with each other. They just haven't gotten divorced. Meanwhile, Masataka is having an affair with a young woman who delivers newspapers. This leads to a shocking situation.

Hino Misaki, a full-time housewife, has given up on her dream of being a manga artist. Her husband, Toru, is a manga editor, and their son, Yuto, has a severe allergy. When she sees a flyer recruiting new manga artists, Misaki begins drawing at night. One day, after leaving Toru to watch over Yuto, Yuto dies after a severe allergic reaction. After the funeral, Misaki learns that Yuto died due to an allergy attack from muffins from Toru's affair partner. A woman who wished for small happiness, but after realizing her wish would not come true, chose the path of revenge

Baek Sa Eon comes from a prestigious political family, and he became the youngest presidential spokesman in Korea. His background also includes time spent as a war correspondent, hostage negotiator, and main anchorman. He married Hong Hui Ju 3 years ago. She is the daughter of a newspaper proprietor. She has mutism due to an accident she had when she was little. She works as a sign language interpreter in court and on television.
Sa Eon and Hui Ju got married largely due to convenience. For the past 3 years, they haven't communicated with each other or have meals together. They pretend they are a happily married couple. One day, Hui Ju is kidnapped by an unidentified person. This changes their marriage life.
Sa Eon and Hui Ju got married largely due to convenience. For the past 3 years, they haven't communicated with each other or have meals together. They pretend they are a happily married couple. One day, Hui Ju is kidnapped by an unidentified person. This changes their marriage life.

Masataka works as a freelance writer. He has been married to Yukie for the past 7 years. Yukie works as a school teacher. Masataka and Yukie are not in love with each other. They just haven't gotten divorced. Meanwhile, Masataka is having an affair with a young woman who delivers newspapers. This leads to a shocking situation.