Satoshi, who had lived in Tokyo for two years, quit his job and returned to his hometown to start over. His brother came to visit him with his wife, Momoka, and their baby. As everyone relaxed in the living room, the baby started crying, so Momoka casually exposed her breast and began breastfeeding in front of everyone. Satoshi was captivated by Momoka's large breasts and got scolded by his mother. Having admired Momoka's huge breasts since childhood, Satoshi couldn't contain his excitement and let his imagination run wild. However, mere fantasies weren't enough to satisfy him, so he asked if she could let him drink her breast milk…
