Forgive Me, Darling... The Pitfalls Of Age-Gap Marriages Natsu Tojo Hisashi and Nana are an inseperable, loving couple despite their difference in age. His nephew Daiki is unemployed, and has come to live with them. However, Nana is confused by the ill-mannered Daiki, who brings one-night stands to the house, and shows off his naked body on purpose. Eventually, Daiki learns that Hisashi has erectile dysfunction, and so he approaches Nana in a manly, aggressive way with an offer that's ever-so-tempting...