Yu Fujiki died in December 19, 2005 at the age 74 due to multiple organ dysfunction due to pulmonary thromboembolism.
When Yu was appearing on "G Men '75", he was told that the episode was introduced to the magazine "To be weak, become bearish just by catching a little cold, dying, if you die," the job is good everyday he repeated drinking meals and drinking and repeated drinking and eating and drinking and he was fascinated with his name as "I am invulnerable Yui!" ("I was fascinated by the time at that time" in the later years he recollect). However, it later became diabetes mellitus, peripheral neuropathy became to remove the fingertip a little, although it was a little. Since then, thanks to his wife's cooperation, he was worried about health and encouraged warnings about diabetes from his own experiences.