芋粥をお腹いっぱい食べること。

In the Heian period, there was an unremarkable official named Goi. He was physically unattractive and mocked daily by his colleagues. However, he harbored a secret, singular desire: to eat his fill of "imogayu" (sweet potato gruel), a delicacy at the time. It is no exaggeration to say that his daily life was sustained solely by his obsession with this modest dream.