Minister of Evil Spirits - The Master of Evil Spirits

…After seeing Nobuko grieving and grief amid repeated bitterness and disappointment, Kenko's hair turned white overnight and he became deeply concerned with cursing Michinaga. Tales of Kenko, who was called the Minister of Evil Spirits, appear in such works as "Jikkunsho," "Kojidan," and "Zoku Kojidan," and convey well the dark political conflicts of the court noble society that was beginning to stagnate. He was passed down to later generations as a powerful vengeful spirit. …

*Some of the terminology that refers to the "Minister of Evil Spirits" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…顕光は度重なる怨みと失意の中で，嘆き悲しむ延子を見るうちに，一夜にして白髪となり，道長の呪詛（じゆそ）に心を砕くようになったという。悪霊の大臣と称された顕光の説話は，《十訓抄》《古事談》《続古事談》などに見え，停滞しはじめた公家社会の陰湿な政治的葛藤の様相をよく伝えている。強烈な怨霊として，後世に語り伝えられた。…

※「悪霊の大臣」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報