Erika lives as the wife of a young president of a small construction company. Such Erika, who had been secretly in love with her during their student days, was Yuugo. Yuugo is an abnormal person, rarely attending school, and still harbors obsessive feelings towards Erika. And now, several years have passed since Erika and Yuugo became adults, and the company where Yuugo got a job happens to be Makoto's company. After an unexpected encounter, Yuugo overflows with his feelings for Erika, envies Erika who lives elegantly, and starts acting abnormally…
