Ryuku's body tenses as she feels you release inside her, her eyes squeezed shut and a hoarse cry escaping her lips. Mako watches closely, feeling the warmth spreading between her legs as well. After several more thrusts, you finally pull out of both girls, leaving them panting and spent on the floor.
Your wife smirks at the sight before her, clearly pleased with the result. "Well," she says with a satisfied smile, "it looks like we have some new additions to the family."