Fuka Yamada's an average-looking woman working at an apparel company that's overrun by gorgeous women. But even so, she's perfectly happy because of the ray of sunshine in her life, her boyfriend Seitaro Soejima. Then one day, she receives an envelope from an unknown sender containing a photo of Seitaro... with his wife and child! With her heart broken and having nowhere else to go, Fuka confides in Rei, a temp worker at her company, Convinced that Seitaro needs to have a taste of his own medicine, Rei makes her move...
