"Did you let your guard down because I was simply a talented junior colleague?" I never expected to cross boundaries with a challenging junior at the office...! On her 30th birthday, Yuiko, a company employee, discovers that her boyfriend has been unfaithful. In her despair, she schedules an erotic massage, and to her surprise, the therapist who arrives is none other than her junior colleague, Akutsu! "Let’s indulge and forget about him." He kisses her while teasing her with his tongue and begins to caress her body. "I'm going to overwrite your body and ensure you remember me." He gently caresses her with his fingers and tongue, making her feel cherished. However, he then forcefully penetrates her, leaving her with no way to escape. Yuiko is uncertain about Akutsu's intentions, yet she can't help but gaze at him with an intense desire...