In this town, since who knows when, rain has never stopped. Residents moved out to suburbs and high ground around. People’s memories are now deeply submerged. But into this forgotten rainy town ...

A fourth-grader investigates the mysterious reason behind the sudden appearance of penguins in his village, which is somehow related to a power from a young woman working at a dental clinic.

One fateful summer, a group of elementary school kids set adrift on an abandoned apartment building must look within themselves to find a way back home.