The Secret of the Blue Glass

On the first floor of the big house of the Moriyama family, is a small library. There, on the shelves next to the old books, live the Little People, a tiny family who were once brought from England to Japan by a beloved nanny. Since then, each generation of Moriyama-family children has inherited the responsibility of filling the blue glass with milk to feed the Little People and it's now Yuri's turn.
The little girl dutifully fulfils her task but the world around the Moriyama family is chan...