Yamagishi Yumi led a lonely life, suffering from her mother Keiko's over-interference and controlling attitude. Keiko, who runs a cake shop, has been forcing her... more>> ideal of a daughter on Yumi since she was a child, pushing her into a corner. One day, Yumi suddenly takes her own life. Although everyone ruled it as a su*cide, her best friend Kobayashi Risa and detective Kitamura Haruo have their suspicions about her death. What secrets and conflicts lurk behind the cake shop, and what is the truth behind the seemingly peaceful world and the cakes? And what is the true ‘poison’ that drove Yumi to her death? <<less