Hikari was a sheltered girl from a young age. Raised in a strict household, she has only had sex with two men. She had little interest in sex when she was younger, and didn't even know how to masturbate. Her husband, a serious man who works at a major bank, has little experience with women, and his technique is immature and indifferent. He even has a small penis. She once questioned whether sex was really like this, and asked a friend for advice... He lifts her skirt and caresses her buttocks. When he applies a vibrator, which she has never used before, she can't help but feel confused by the complex stimulation she has never experienced before. Perhaps out of embarrassment, she desperately tries to suppress her voice, but she reaches her first orgasm with a vibrator. A string of juices flows from her pussy... When he pulls his penis out of his boxer shorts, he says it's "too big to lick," but he desperately puts it in his mouth. He gradually gets used to its size, making slurping noises and a naughty expression on his face, and his licking is very exciting. He inserted his hard, arching cock into her pussy. Because the entrance was narrow, he could feel her pussy widen as soon as he inserted his cock. She seemed to be numb from the excitement coming from a cock of a size she had never experienced before, and eventually she began to move her hips and enjoy it. From start to finish, she desperately tried to suppress her voice, even though it felt good, perhaps due to her inexperience or embarrassment. But in the end, it turned into a scream...