The first NAGIRA label. This is the story of a housewife who didn't want to have an affair and a housewife who wanted it. Yuri (Yui Hatano) and Tomoko, ordinary housewives living in an apartment. On the other hand, career woman Mami (Ria Kashii) is having an affair with Tomoko's husband while spending her busy days. Meanwhile, Yuri and Tomoko go to the pub and get to know the owner. Yuri who received the invitation makes her heart flutter. Pleasure that I once knew, falling while hesitating.