Invited on a hot spring trip, a married woman who had been driven into a sexless marriage due to rejecting her husband's cosplay fetish finds her loneliness growing, leading her into an affair. After not being approached by a man in a long time, she can no longer suppress her desire and surrenders herself completely. With her extra large breasts being fondled and her face melting in pleasure, she licks the man's cock with a lewd expression. Craving deep penetration, the married woman reaches climax repeatedly, engulfed in pleasure. As the man thrusts into her during dinner time and in open-air baths—moments when others might be nearby—she climaxes with loud moans. Having spent a passionate night fulfilling each other's desires, she regains her confidence as a woman and returns home satisfied.