Heroine de Muze herself competed successfully at the top level of the sport with Japan's Taizo Qugitani. He has had the mare since she was only five years old. The pair won in 2019 the individual gold at the FEI Asian Championships in Pattaya Thailand. Besides that, they also finished fourth individually as well as with a team silver at the Asian Games in Jakarta, Indonesia that took place in 2018. Heroine de Muze also has several top-three finishes in International Grand Prix classes with Sugitani as her rider.