It all started one summer day... Takeru was an earnest office worker devoted to his wife. But then, he got deep into an adulterous relationship with Nazuna, a seductress he met through a dating app. She cut off ties with him at the end of the summer. He thought that was the end of that until they were reunited accidentally during an overseas trip. Nazuna has brushed off Takeru's serious advances many times. Yet she keeps reappearing right when he's about to get over her just to stir his heart all over again... Takeru continues to dance in the palm of the nymph...