EBOD-935 A G-cup swimmer who was carefully trained by a nipple fetish pervert teacher and learned to orgasm from her nipples over three years

I thought my school life would be filled with hope as I joined the swimming club, which I had been practicing since I was little. One day, while I was practicing alone, a man's hand reached out from the water and fondled my breasts. 'Who? Ah, aaahh.' Being sensitive, I reacted to the unknown man's hand. The owner of that hand became more pleased with my reaction. It turned out to be my advisor, Mr. Tazumi. The single teacher's nipple sensitivity development started from that day and continued for three years, and before I knew it, I had become a nipple orgasmer…