When I called a delivery health girl to my house, my normally modest and quiet colleague, Tsukada, came. She was confused and begged me to change, and I had an idea. From today on, I'm going to make this woman my perverted pet... Taking advantage of her weakness, I hungrily sucked on her gigantic breasts, which were unimaginable from her appearance, and extended the time until I penetrated her raw and impregnated her deep inside her vagina. The sobbing expression on Tsukada's face further aroused my twisted sexual desires. And from that day on, I began to train Tsukada as my sex slave...