Aya's new husband had a teenage son, Tsuyoshi. However, to Aya, who had never given birth to a child, he was more of a man than a son. Still, Aya was looking for an opportunity to deepen her relationship with him as a mother, but when she saw his cock bulging and moving under his trousers, she swallowed. Lewd thoughts ran through her head, and before she knew it, she was meeting Tsuyoshi's eyes with a suspicious look on his face. The motherly expression had already disappeared, and Aya crept up to Tsuyoshi with the expression of a big-dick-loving bitch...