Himedou Kinana and Miyako Sumi are a lovey-dovey couple who hold hands every day. They should be enjoying a relaxed and affectionate life together, but suddenly, Kinana is confessed to by a mysterious woman, leading to an unexpected incident!? The love triangle involving Kinana's older sister, Kanana, who is a girl-only playgirl, comes to an end, and small troubles arise with the neighboring yuri couple, Komugi and Hayase, adding to the chaos around them. Still, there’s nothing wrong with the love between Kinana and Sumi. For the sake of these two, everyone is planning 'something'... The sweet and happy story of the two comes to a conclusion!