Ten years had passed since they married, and the couple had given up on having children. Sex had become a mere obligation, and their days felt dull and lifeless. Still, their relationship as husband and wife wasn't bad—at least, that's what the wife, Iori, believed. But in an instant, that belief began to waver, as she felt lingering heat still pulsing within her mature body. That heat tempted her, guiding her fingertips down toward her groin. She began to pleasure herself, lost in quiet ecstasy—until the sudden ring of the delivery doorbell interrupted her solitude...