The younger brother staying at his older brother's house was captivated by the beauty of his kind and hardworking sister-in-law. His gaze slowly moved down from her face. Her cleavage, the swelling tips of her full breasts. The apex. Clearly visible was a small protrusion that seemed to be her nipples. Thinking he might have been mistaken, the younger brother looked back several times. But the next morning and onwards, his sister-in-law's nipples were still visible through her shirt…!
