Koi no Tsuki

31-year-old Hira Wako (Tokunaga Eri) has been dating her boyfriend Fuu-kun (Watanabe Daichi) for four years and they began cohabiting three years ago. She no longer feels her heart throb. But when Wako thinks about her age, she cannot consider the option of breaking up. That is when she meets high school student Iko Yumeaki (Kamio Fuju) who seems her type. She gives in to desire and ends up cheating on her boyfriend. Will Wako be able to find true happiness in life despite all sorts of social stress?

Synopsis: JDrama Weblog