Akane Misake is a determined and independent high school student who moved to a small apartment in the city to live alone. She is determined to finish her studies in the same school despite her parents having to relocate to another place for their work. However, her new living arrangement takes an unexpected turn when an unknown guy suddenly barges into her apartment on the first day of her move. It turns out that the landlady made a mistake during the contract, and Akane is required to live with the unwanted man for a week.
Initially, Akane is uncomfortable and wary about sharing her living space with a complete stranger. However, as she gets to know the man, she realizes that he is not as bad as she initially thought. In fact, he is kind, helpful, and considerate towards her. Despite their initial awkwardness and discomfort, they start to develop a cordial relationship.
One night, Akane finds herself sharing the same futon with the man. Unfortunately, the neighbors are having sex, and she is unable to fall asleep no matter how hard she tries. Feeling frustrated, Akane decides to take a bold step and ask the man to help her fulfill her sudden exploding libido. To her surprise, he readily agrees. As day passes, Akane starts to develop feelings towards the man. She finds herself looking forward to spending time with him and sharing more intimate moments together. Akane realizes that she will miss him and wishes that they could spend more time together. Despite the unexpected and uncomfortable situation that Akane found herself in, it ultimately led to an unexpected romance.