Surprised nobody posted this yet, so I started a new topic.
Summary: Sisters Ai, Mai, Mii, and their housekeeper android Mea inhabit in a mysterious house that transports them through time and space. Following leads obtained from dandelions (or "popotan"), the sisters attempt to locate a certain someone believed to hold the answers to their questions. Their peculiar method of transport, however, does not come without its own set of painful drawbacks... (From ANN)
The anime series was loosely based on a visual novel which was best known for this dance:
I found they went a bit overkill on the number of "bath scenes," but the overall story was still interesting.
I've got the series on dvd. It was fun and it did have its moments like the ones dealing with how Mai dealt with others trying to distance herself not to get hurt knowing she'd have to leave and never see them again. She was my favorite of the 3 Mai Mai Mai darling
Oh this was indeed a good show. I've been looking for a translation of the visual novel for years with no luck. T.T Who knew the internet cant do everything