One rainy night, Saki is rushing to a piano lesson when she crashes into a beautiful, long-haired girl, dropping her sheet music in the process. Saki stutters an apology, but the girl simply hands back her...

The remarried mother. After their divorce, the father who lives with his "boyfriend". Living surrounded by such family, highschooler Mayuko is now at the height of her adolescence. Beginning from Mayuko's...