On a cold night, a mother and son seek warmth in each other. What begins as mere curiosity gradually deepens as they touch and explore one another's bodies. On the kotatsu, their heated bodies entwine, and the son's cock slowly slides into his mother's skin. Amidst warmth and passion, they eventually lose all restraint. "No, I can't hold back anymore..." "Stepmom, you've had too much to drink... Are you okay?" Through such words, their bond grows stronger. For this impoverished family, seeking warmth isn't just desire—it's a means of survival. Burdened by debt and loneliness, the mother seeks body heat from her son, and he, in turn, craves her warmth. To overcome the heartbreak of a past breakup, the mother seeks emotional fulfillment in her son. Their relationship is not merely physical—it's an intense crossing of deep emotions. On this night where warmth and passion meet, a new bond forms between mother and son.