Takanashi Chiwa is an office lady who works part-time at a club because she is in debt. One day, she gets into a quarrel with a wealthy and handsome customer who came to the club and is fired. The next day, a depressed Chiwa is summoned by her boss and finds the rude man from the day before down there. His name is Mamiya Hokuto. Hokuto suddenly proposes a contract marriage with Chiwa. Although she is initially resistant to the idea, she has no choice but to accept. The two of them overcome all sorts of troubles and become a real couple.
Hanai Ao is a top romance manga writer, admired by fans for her dedication and success. But while she excels at writing love stories, her own love life is nonexistent—she’s never even had a boyfriend. After getting tired of her editor's constant reminders, Hanai goes for a walk and, after an unexpected look at her reflection, decides to change her appearance. She visits a salon where Riichi, a charming stylist, catches her eye. Sparks fly between them, but with Hanai’s workaholic ways, can she balance love and her career?
Senagaki Isaku will be a first-year high school student starting in spring. Her grandfather is the third head of the Senagaki group, a yakuza organization, so she is feared by those around her. However, starting from spring, she hopes to make normal friends and normally fall in love. She is admitted into a high school further from her hometown, however, the overprotective young head of the Senagaki group, Utou Keiya, (26 years old) falsifies his age and enters the school with her through a backdoor admission…?! Keiya proclaims that love is too early for her although Isaku is perfectly ready. In truth, she has held an unrequited love for Keiya for quite some time
Nishimori Aoi's parents moved to another city for work, but Aoi didn't want to transfer to a new high school. She stays behind and lives in an apartment by herself. Shusei Kugayama moves in next to Aoi's apartment. Shusei is a very popular student at their high school. Due to a mistake, Aoi sets off the fire sprinkler in his room. Until Shusei's room is fixed, he stays with Aoi.
An adult romance featuring Chiyo Takamura, a 30-year-old woman who works in the civil engineering department of a major construction company. She gets confessed to by Ichika Seo - a 45-year-old man who is the vice president of a foreign company. Ichika, who is in love with Chiyo, confesses his love for her and asks her out on a date. Although Chiyo always thought of Ichika as a lunch buddy, she agreed to go out with him, and the two start a "trial" romance to see where their relationship goes.
When her boyfriend was caught cheating on her, Terada Aki moved out of her apartment and into a sharehouse, where she found herself reunited with her first love, Hongyo Tomoya. Hongyo is novelist, but he has recently been having trouble with his writing, and he asked Terada for help - with a shocking proposal. To complicate matters, the other residents in the sharehouse also start interfering in Terada's life.
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.
**Story takes place one month before the movie.”**
Akahane Yu moves to a dormitory room after her father's transfer to work. She and Haruto, aka "Black Devil", have the worst meeting. Since then, Haruto has treated her like his slave. The only person who is kind to her is Takumi, aka "White Prince”.
Haruto orders Yu to go to her middle school reunion, but Yu, who doesn't want to remember her middle school days, refuses. At this time, Suzune appears. She is a childhood friend of both Haruto and Takumi. Due to her, the relationship between Yu, Haruto and Takumi changes.
Akahane Yu moves to a dormitory room after her father's transfer to work. She and Haruto, aka "Black Devil", have the worst meeting. Since then, Haruto has treated her like his slave. The only person who is kind to her is Takumi, aka "White Prince”.
Haruto orders Yu to go to her middle school reunion, but Yu, who doesn't want to remember her middle school days, refuses. At this time, Suzune appears. She is a childhood friend of both Haruto and Takumi. Due to her, the relationship between Yu, Haruto and Takumi changes.
Akabane Yu moves to a dormitory room after her father's transfer from work. She is excited that she will live in the same dorm as Shirakawa Takumi aka "White Prince." Yet, Kurosaki Haruto aka "Black Devil" kisses her as punishment for going against him. It is Yu’s first kiss. Since then, she becomes obedient to Kurosaki Haruto.
Makoto, 29, is a sales clerk at the advertising agency Adraisa, and dreams of a happy family. She is a hard worker and admired by her colleagues, but in her private life, she is devoted to her selfish and self-centered boyfriend, Hayato, with whom she has been living for three years.
One day, she finds out that he has been cheating on her with a junior colleague, Kawatani, and breaks up with him, but at the same time, she loses her home... The one who reaches out to her is Odagiri, the department manager who is known as the "Yakuza boss" at work because of his cold-heartedness.
Until they find a new place to live, Makoto ends up living with Odagiri at his house. Odagiri's face is unexpectedly sweet, toying with Makoto. However, he has a hidden side as the young boss of a yakuza gang...
One day, she finds out that he has been cheating on her with a junior colleague, Kawatani, and breaks up with him, but at the same time, she loses her home... The one who reaches out to her is Odagiri, the department manager who is known as the "Yakuza boss" at work because of his cold-heartedness.
Until they find a new place to live, Makoto ends up living with Odagiri at his house. Odagiri's face is unexpectedly sweet, toying with Makoto. However, he has a hidden side as the young boss of a yakuza gang...
Nagao Kanji works for an advertising agency in his hometown of Ehime Prefecture. He is assigned to the Tokyo sales department where his colleague Akana Rika takes care of his work. One day, Kanji is invited to drinks by Mikami Kenichi, a former classmate from his hometown who is now in Tokyo, and he is also reunited with Sekiguchi Satomi who has feelings for him. However, Rika ends up joining them when she delivers Kanji’s wallet which he had left in office. On the way back, Rika tells him, “Kanchi, shall we kiss?” and he is rattled. There have been rumours in office that Rika is in a relationship with their boss Waga Natsuki.
After being dumped by her ex-boyfriend on their six-year anniversary, Sayama Miyabi immerses herself into her job on the sales team at a real estate firm. Meanwhile, Donose Tsukasa, a highly successful company CEO, seeks a marriage of convenience to satisfy societal expectations. When he meets Miyabi, he proposes a “business marriage” where she can live rent-free in a luxury apartment, and he can present a “wife" to the world. There’s just one clause: If they develop genuine romantic emotions, they must divorce. However, cupid has other plans, and their arrangement begins to falter as emotions come into play.
