MR, MASAYUKI SAEKI HAS A MENTAL PROBLEM NoW!!!! κ Masayuki saeki((佐伯雅行, played by渡边谦)is a brilliant and successful advertising company executive. However he is soon shocked to realize that he is failing to meet up to his perfect standards. He starts inexplicably forgetting things-appointments, details of his work, and his knowledge of the layout of Tokyo x The poor guy is disabled by Alzheimers Disease finally!MR. MASAYUKI SAEKI HAS A MENTAL PROBLEM NOW!!!!  Masayuki Saeki(佐伯雅行, played by 渡边谦) is a brilliant and successful advertising company executive. However he is soon shocked to realize that he is failing to meet up to his perfect standards. He starts inexplicably forgetting things - appointments, details of his work, and his knowledge of the layout of Tokyo.  The poor guy is disabled by Alzheimer's Disease finally!