In the ceremony celebrating the Cloister Emperor Goshirakawa's 50th birthday held in April 21, 1176, Koremori, who was aged 19, performed a dance titled 'Seigaiha play,' wearing the twigs of cherry and plum trees in his Eboshi (black-lacquered headgear), which won him the name of Obai-shosho (general of flowers) as he was so handsome.
安元2年（1176年）3月4日、19歳の時に後白河法皇50歳の祝賀で、烏帽子に桜の枝、梅の枝を挿して｢青海波｣を舞い、その美しさから桜梅少将と呼ばれる。