Because Kaneie wanted Prince Kanehito to ascend to the throne early, in June, 986 he and his second son, Michikane, concocted a scheme in which they abetted in taking Emperor Kazan from the Imperial Palace, and they retired him by making him become an ordained monk.
兼家は懐仁親王の早期の即位を望んだため、寛和2年（986年）6月に兼家と二男の道兼が中心となって策謀を仕組み、花山天皇を唆して内裏から連れ出し出家退位させてしまう。