VENX-228-Uncensored-Leaked — My wife's older sister suddenly showed up and completely outdid me during our two-day, one-night trip. - Mizuki Aoba

When Koji is left alone while his wife goes back to her parents' home to give birth, his wife's sister, Mizuki, offers to take care of him. Koji, who is struggling to balance work and housework, gladly accepts, but ends up bathing with Mizuki, who even tries to help him with his bath. His penis reacts uncontrollably to Mizuki's beautiful naked body. Noticing this, Mizuki forcefully approaches him, saying, "You're hard because of me? I'm so happy..."