HND-731: - 从青春期开始的10年里，在双人房里，她一直在瞒着父母偷偷阴道射击，但她是一个幸运的姐姐，还没有怀孕的葵玲奈

- For 10 years from puberty in a double room, she has been secretly vaginal shot without telling her parents, but she is a lucky sibling who is not yet pregnant Rena Aoi