Noa, my junior at work, is a quiet girl with an unassuming personality who always works silently. It seems that Noa is saving up money to go to college, and one day, as a fourth-year college student, she asks me if I can help her with her studies. I reluctantly agree. During class, I once again see her breasts, which are rumored to be large at my part-time job, and when I realize how big they are, I can't control my sexual desire...