Muchi Muchi Kyousei Seichouchuu!!! Episode 1 [Sub-ENG]

The protagonist of the story works in the “garden”, which is visited by absolutely adult students with very impressive forms. Girls like in any magical girl made a “henshin” and grown up and incredibly sexy. But what are they doing here? Where they came from? Why do they come here to have sex? And why is this place called “garden”?