Mio, a beautiful wife living in a housing complex, has settled into married life and started considering having children. However, her husband's indifferent attitude towards both making babies and nighttime activities leaves her daily sexual desires unfulfilled, leading her to occasionally comfort herself. One afternoon, as she was alone stroking her sensitive spot, she looked up to find the middle-aged neighbor, Takashita, who had come to greet them after moving in, staring at her through the window. The two, who were never meant to cross paths, became involved in a steamy affair after this incident of being caught masturbating…
