“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 novel from her bookshop. As her desires came gushing-in, Itsuki decided to embark on a love affair with the young man; afterwards, she met a spitting image Kunimoto Satoshi/Komato Shio, her past love who reminded her of dark secrets from the past.