Riko-chan, 18 years old, is a natural G-cup naive girl who grew up with her parents' cabbage field. "I've only done this with my boyfriend ..." Actually, the innocent country girl who does only a little naughty things with her boyfriend is a shy person. At first, I was nervous and made my body tense, but if I blamed it carefully, I couldn't stand it. I can't stand the appearance of being stimulated by the core of pleasure and climaxing ...