Although the crown prince's reifuku was replaced by a red kushofuku in the early Heian period (after choga was abolished in the middle of the Heian period, the crown prince's reifuku fell into disuse), oni no ho was continuously used for chofuku and the use of the eno-maru (a design in which mandarin ducks form a circle) pattern became common practice.
平安時代前期には皇太子の礼服は赤色の九章服になったが（さらに朝賀の廃止された平安中期以降は、皇太子の礼服の着装例がない）、朝服においてはその後も使用され、文様も鴛鴦丸（えんおうまる）が使われることが一般化した。