After their son grew up and left home, the couple had sex almost every day. - This thriving couple who flirts day and night, ``anytime, anywhere'' is upset... - My son had to come home during the school holidays. - As a parent, I'm happy. - I can't stand my father Toru's excitement every day. - My son doesn't move from the living room. - Then, Toru desperately wants to have sex with his beloved wife, Miki, so he takes her out to a very questionable ``love hotel.''