A love story between Risa Shiroki and Hiroto Fukami. Twenty year old Risa Shiroki comes to Tokyo from her hometown in the countryside to attend university. Pretty and popular with male students, she has never had a boyfriend and dreams of having a sweet love. One day, thirty year old Hiroto Fukami appears in front of her. He is business man who appears to be gentle and looks perfect. As romance blossoms between them, Risa discovers Hiroto's dark past.