Yui, a wife living in a housing complex, builds up sexual frustration due to her husband's constant excuses for not being intimate. Trying to distract herself from loneliness and dissatisfaction, her fingers gradually guide themselves to her honey-dripping vulva, lost in self-pleasure. Just as she reaches ecstasy, she feels a gaze and looks towards the window to find the middle-aged neighbor who just moved in. The two, who were never supposed to cross paths, start an intensely sweaty affair after this incident of witnessed masturbation…
