“Tengoku no Koi” (Love of the Heavens) tells the May-December love story between a woman in her 40s and men in their 20s. Hanyu Itsuki, a 41 year-old housewife manages a secondhand bookshop, and living in a strained marriage with her 14 year-old daughter as the only reason it hasn’t fallen apart. One day, Itsuki’s slumbering womanly desires suddenly awaken after she caught Shida Motoharu, who was trying to steal an erotic