デカチンショタが異世界で爆乳美女をチン負けオナホにする話 (Associated Names)

One day, a boy is suddenly transported to another world. He has a manhood that is incomparable to ordinary person, and in that world, he encounters a bewitching busty witch who cannot resist the stimulation of his. He is swept away by his insatiable carnal desires and ends up turning into a live solely for…