Former married woman Azusa, after her divorce, moves into a dormitory exclusively for men, introduced by her company's president. Since parting ways with her husband, she has spent long periods alone, indulging daily in masturbation. However, as the only woman in this all-male environment, she stands out and quickly draws the attention of the residents. The men, catching glimpses of her behavior, grow increasingly interested in her and begin expressing their desire to get closer. Lewd rumors about her spread throughout the dorm, and more and more men start approaching her. Amid this atmosphere, her lonely days begin to transform into the start of new romantic and sexual encounters.