Semen collection room at the infertility treatment department of the internal hospital. Struggling with semen collection, an angelic voice asked, "Shall I help you?" Covering me discreetly with a blanket, she served me with gentle fellatio and pure thighs. Even though it's for collection, I still don't want to ejaculate!! Pretending I can't ejaculate, I begged for just the tip of the desire. Then, "It's only a little," she whispered, sneaking the tip in under her skirt...