Although Aoshima and Yukino work at the same company, they have never spoken to each other. One day, they happen to meet at a bar that Yukino frequents, and they end up sitting next to each other! When she receives a call from a friend, Yukino remembers that she had made a promise to attend a wedding "with her boyfriend" and panics, saying, "Oh no, we broke up six months ago...!" The wedding is next week, and Yukino is worried about what to do. She asks Aoshima to pretend to be her boyfriend for just one day and attend her friend's wedding. To her surprise, he agrees! Yukino is relieved, but in fact, Aoshima has a plan... As they pretend to be together, Aoshima somehow starts to become interested in Yukino, who she had no interest in at all, and Yukino is at the mercy of a mean, younger tsundere boy. What will become of their "contract love"?
Haruta Soichi and Maki Ryota, who returned from Singapore, started living together as newlyweds. However, work and housework become too much for the couple, so they try housekeeping services to make their domestic life easier. But the person who appears at the door turns out to be the retired Kurosawa Musashi! Will the love triangle between them happen again?
It follows a group of people who are still living in temporary housing 12 years after a natural disaster called "Nani" destroyed their town.
Asahi is a 23-year-old boy who attracts everyone around him with his innocent smile, words and talent. Chatani Kashiko is a 35-year-old working for a small advertising agency and is someone who has low self-esteem. Meanwhile, Sato Wataru is an expressive woman and works as a backstage actress in a small theatre company run by her boyfriend, who sometimes uses her as a ghostwriter. Kashiko and Wataru used to be best friends in high school and unexpectedly reunite through Asahi.