Eriko had a crush on her childhood friend Kyō during their student days. However, on the day of a date, Kyō went missing. After that, Eriko married Kyō's close friend Jōshi. Eriko, Kyō, and Jōshi had been in a love triangle during their student days. Then, after 20 years, they reunited. The gears that had stopped between Kyō and Eriko started turning again… Her feelings for her loving husband hadn't changed, but she also hadn't forgotten her feelings for Kyō. Tormented by guilt, the tangled, sordid love triangle began anew...
