January 4, 2006: The problem of rolling stock caused the disruption of the train schedule, so one train of KERS 10000 was exceptionally used as the K-Limited Express 'Orihime'; it was the first time that a K-Limited Express made up of four cars was used.
2006年1月4日-車両故障によるダイヤ乱れにより、10000系がK特急「おりひめ」の1本に充当された（4連K特急初）。