Nana Kamiyama, a beautiful office lady, is working late when her boss brings her alcohol as a kind gesture. Despite being in a relationship with her boyfriend, she finds herself physically responding to her drunken boss's advances, growing wetter by the moment as she talks to her boyfriend on the phone. Moaning seductively, she receives foreplay on the office sofa and desk. Gradually consumed by her boss's seduction, she gives in and indulges in passionate office sex. A mature, erotic story unfolds, filled with temptation and desire.