Sakura Hana Shino, with a nervous expression, shyly says, "There aren't many people who would ask to be in a video, right?" She currently works in finance, but her demeanor suggests a strong, unfulfilled sexual desire that goes beyond appearances. Further probing reveals that while she's had physical relationships with five men, including her husband, she's never been truly satisfied with any past sexual experiences. Wakana Tomioka, who got married two years ago, is now busy with childcare but finds joy in watching her child grow. However, since the birth of her child, she and her husband have been sexless, and their relationship isn't exactly harmonious. To make matters worse, she suspects her husband of having an affair, leaving her in a state of emotional turmoil. After confiding in a fellow mother, she learns that the other woman has secretly been having a casual relationship to relieve her own sexual frustration. Inspired by this, Wakana decides to find a casual partner of her own...