Mihone and her husband get along well, ...but they've been sexless for two years now. However, aside from the lack of sex, she has no complaints about her kind husband, thinking that maybe it's just how things are after the honeymoon phase. The one stirring up Mihone is her tea-drinking friend Yumi. Yumi, who lives faithfully according to her desires and is prone to infidelity, plots to introduce Mihone to her friend, AV actor Johnny Ohnuki.
