As for club activities, I was able to join the swimming club that I had been learning since I was little, and I thought that a school life full of hope would begin. One day, when she was practicing alone, a man's hand reached out from the water and groped her breasts. “Who? The person who took good care of my reaction was my adviser, Professor Tabuchi. From that day on, the single teacher's nipple sexual development continued for three years, and before I knew it, I had become a nipple alive guy...