简介：
A group of aliens has come to Earth 第九色区av天堂to learn about its population, customs, etc. To avoid detection, they have taken on human form which gives them human emotions, physical needs etc. WITHOU文理双修txtT the understanding of what they mean or the inhibitions normally present in humans. Their萌娘触摸7(人物全解锁) leader takes the position of a college professor, their military expert as his sister, their intell...
