Fuufu to 16-sai

16-year-old Shiraishi Miko, who has just begun living on her own, falls in love at first sight with her neighbor Hiro, a newlywed husband. While his wife, Sae, is away from home, Miko and Hiro begin to deepen their friendship. Miko finds herself increasingly drawn to Hiro, but how will Hiro respond in turn...?