The husband, Koji, became an international pilot, and the wife, Akira, started living with her father-in-law, Tooru. Before marriage, Akira worked as a flight attendant and met Koji. Tooru was her instructor when she aspired to be a flight attendant. Akira had feelings for the stern yet warm Tooru from that time. To distract herself from these feelings, she married Tooru's son… However, living with Tooru caused Akira's feelings to waver again. One day, while she was masturbating while hugging Tooru's old uniform, she was caught by him…
