Teruko is a 28-year-old Office Lady. Five months ago, she fell in love with Mamoru at first sight. Since that time, she has does not have the slightest care about her work or her friends. Unsurprisingly, she then loses her job and her friends start ignoring her. Yet, Teruko is happy as long as she is with Mamoru. Meanwhile, Mamoru thinks Teruko is an easy woman for him to not love. Teruko's unrequited love grows deeper.