So, a young man called Urashima Keitaro suddenly finds himself working as the manager for an all-girls dormitory.
Yes, you can probably see where that story is going.
At several times, just when you put two and two together, a plot twist happens and you are back to the beginning.
Too bad the series doesn\'t answer any questions. Basically, each episode has its own story, with maybe a few things in a few episodes that actually add to the main story.
All the characters have their own distinct personalities and no two are at all similar.